{ "events": [], "held_value": { "active": false, "main_answer": false, "questions": [], "rule": "If a check does not record a value, the page keeps the last confirmed value for a short time, marked with its date; after that the value is shown as unknown." }, "history": [ { "evidence": { "bytes": 779771, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "tokens", "value": "16384" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-10-16", "unit": "tokens", "source": { "quote": "\"max_completion_tokens\":16384", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "16384" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "What is the maximum output length of OpenAI GPT-4o on OpenRouter, in tokens?", "time": "2026-10-16T17:53:47.188Z", "measurement_id": "b6b6d1c0ee02e786" }, { "evidence": { "bytes": 779771, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "usd_per_1m_tokens", "currency": "USD", "value": "10" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-10-16", "unit": "usd_per_token", "currency": "USD", "source": { "quote": "\"completion\":\"0.00001\"", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "0.00001" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "How much does OpenAI GPT-4o cost per 1M output tokens on OpenRouter?", "time": "2026-10-16T17:53:47.188Z", "measurement_id": "c6cf94df2ddf6052" }, { "evidence": { "bytes": 779771, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "tokens", "value": "128000" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-10-16", "unit": "tokens", "source": { "quote": "\"context_length\":128000", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "128000" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "What is the context window of OpenAI GPT-4o on OpenRouter, in tokens?", "time": "2026-10-16T17:53:47.188Z", "measurement_id": "d184c8bf07f99835" }, { "evidence": { "bytes": 779771, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "usd_per_1m_tokens", "currency": "USD", "value": "2.5" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-10-16", "unit": "usd_per_token", "currency": "USD", "source": { "quote": "\"prompt\":\"0.0000025\"", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "0.0000025" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "How much does OpenAI GPT-4o cost per 1M input tokens on OpenRouter?", "time": "2026-10-16T17:53:47.188Z", "measurement_id": "da8cd8856143ada9" }, { "evidence": { "bytes": 783056, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "usd_per_1m_tokens", "currency": "USD", "value": "2.5" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-10-17", "unit": "usd_per_token", "currency": "USD", "source": { "quote": "\"prompt\":\"0.0000025\"", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "0.0000025" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "How much does OpenAI GPT-4o cost per 1M input tokens on OpenRouter?", "time": "2026-10-17T02:05:22.588Z", "measurement_id": "2147fa22c9585bb6" }, { "evidence": { "bytes": 783056, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "tokens", "value": "128000" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-10-17", "unit": "tokens", "source": { "quote": "\"context_length\":128000", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "128000" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "What is the context window of OpenAI GPT-4o on OpenRouter, in tokens?", "time": "2026-10-17T02:05:22.588Z", "measurement_id": "77937cc8ceb995e6" }, { "evidence": { "bytes": 783056, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "usd_per_1m_tokens", "currency": "USD", "value": "10" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-10-17", "unit": "usd_per_token", "currency": "USD", "source": { "quote": "\"completion\":\"0.00001\"", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "0.00001" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "How much does OpenAI GPT-4o cost per 1M output tokens on OpenRouter?", "time": "2026-10-17T02:05:22.588Z", "measurement_id": "9e48bc020692892a" }, { "evidence": { "bytes": 783056, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "tokens", "value": "16384" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-10-17", "unit": "tokens", "source": { "quote": "\"max_completion_tokens\":16384", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "16384" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "What is the maximum output length of OpenAI GPT-4o on OpenRouter, in tokens?", "time": "2026-10-17T02:05:22.588Z", "measurement_id": "ac9fa0b31a2368ce" }, { "evidence": { "bytes": 787151, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "tokens", "value": "16384" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-10-18", "unit": "tokens", "source": { "quote": "\"max_completion_tokens\":16384", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "16384" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "What is the maximum output length of OpenAI GPT-4o on OpenRouter, in tokens?", "time": "2026-10-18T02:27:44.833Z", "measurement_id": "193b25b6954e75b0" }, { "evidence": { "bytes": 787151, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "tokens", "value": "128000" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-10-18", "unit": "tokens", "source": { "quote": "\"context_length\":128000", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "128000" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "What is the context window of OpenAI GPT-4o on OpenRouter, in tokens?", "time": "2026-10-18T02:27:44.833Z", "measurement_id": "6a9c26d738aa4ff0" }, { "evidence": { "bytes": 787151, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "usd_per_1m_tokens", "currency": "USD", "value": "2.5" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-10-18", "unit": "usd_per_token", "currency": "USD", "source": { "quote": "\"prompt\":\"0.0000025\"", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "0.0000025" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "How much does OpenAI GPT-4o cost per 1M input tokens on OpenRouter?", "time": "2026-10-18T02:27:44.833Z", "measurement_id": "b3f60f39cda683c6" }, { "evidence": { "bytes": 787151, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "usd_per_1m_tokens", "currency": "USD", "value": "10" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-10-18", "unit": "usd_per_token", "currency": "USD", "source": { "quote": "\"completion\":\"0.00001\"", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "0.00001" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "How much does OpenAI GPT-4o cost per 1M output tokens on OpenRouter?", "time": "2026-10-18T02:27:44.833Z", "measurement_id": "f61e8394e22f356f" }, { "evidence": { "bytes": 788481, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "usd_per_1m_tokens", "currency": "USD", "value": "2.5" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-10-19", "unit": "usd_per_token", "currency": "USD", "source": { "quote": "\"prompt\":\"0.0000025\"", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "0.0000025" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "How much does OpenAI GPT-4o cost per 1M input tokens on OpenRouter?", "time": "2026-10-19T02:50:45.534Z", "measurement_id": "7b2ee61bff8e1fa9" }, { "evidence": { "bytes": 788481, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "usd_per_1m_tokens", "currency": "USD", "value": "10" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-10-19", "unit": "usd_per_token", "currency": "USD", "source": { "quote": "\"completion\":\"0.00001\"", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "0.00001" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "How much does OpenAI GPT-4o cost per 1M output tokens on OpenRouter?", "time": "2026-10-19T02:50:45.534Z", "measurement_id": "8dad21afa28aab84" }, { "evidence": { "bytes": 788481, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "tokens", "value": "128000" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-10-19", "unit": "tokens", "source": { "quote": "\"context_length\":128000", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "128000" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "What is the context window of OpenAI GPT-4o on OpenRouter, in tokens?", "time": "2026-10-19T02:50:45.534Z", "measurement_id": "9f1d7292dcab2b50" }, { "evidence": { "bytes": 788481, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "tokens", "value": "16384" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-10-19", "unit": "tokens", "source": { "quote": "\"max_completion_tokens\":16384", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "16384" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "What is the maximum output length of OpenAI GPT-4o on OpenRouter, in tokens?", "time": "2026-10-19T02:50:45.534Z", "measurement_id": "a087b3bcf359ecd3" }, { "evidence": { "bytes": 788323, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "usd_per_1m_tokens", "currency": "USD", "value": "10" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-10-20", "unit": "usd_per_token", "currency": "USD", "source": { "quote": "\"completion\":\"0.00001\"", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "0.00001" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "How much does OpenAI GPT-4o cost per 1M output tokens on OpenRouter?", "time": "2026-10-20T02:13:51.582Z", "measurement_id": "b2653743a8ed4077" }, { "evidence": { "bytes": 788323, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "usd_per_1m_tokens", "currency": "USD", "value": "2.5" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-10-20", "unit": "usd_per_token", "currency": "USD", "source": { "quote": "\"prompt\":\"0.0000025\"", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "0.0000025" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "How much does OpenAI GPT-4o cost per 1M input tokens on OpenRouter?", "time": "2026-10-20T02:13:51.582Z", "measurement_id": "b844f74d61b9de2d" }, { "evidence": { "bytes": 788323, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "tokens", "value": "16384" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-10-20", "unit": "tokens", "source": { "quote": "\"max_completion_tokens\":16384", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "16384" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "What is the maximum output length of OpenAI GPT-4o on OpenRouter, in tokens?", "time": "2026-10-20T02:13:51.582Z", "measurement_id": "e8daa3a44e9a9f54" }, { "evidence": { "bytes": 788323, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "tokens", "value": "128000" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-10-20", "unit": "tokens", "source": { "quote": "\"context_length\":128000", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "128000" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "What is the context window of OpenAI GPT-4o on OpenRouter, in tokens?", "time": "2026-10-20T02:13:51.582Z", "measurement_id": "edbca3cadc10a122" }, { "evidence": { "bytes": 786124, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "usd_per_1m_tokens", "currency": "USD", "value": "2.5" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-10-21", "unit": "usd_per_token", "currency": "USD", "source": { "quote": "\"prompt\":\"0.0000025\"", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "0.0000025" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "How much does OpenAI GPT-4o cost per 1M input tokens on OpenRouter?", "time": "2026-10-21T02:03:26.721Z", "measurement_id": "1d9870044fdadf5b" }, { "evidence": { "bytes": 786124, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "tokens", "value": "128000" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-10-21", "unit": "tokens", "source": { "quote": "\"context_length\":128000", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "128000" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "What is the context window of OpenAI GPT-4o on OpenRouter, in tokens?", "time": "2026-10-21T02:03:26.721Z", "measurement_id": "851e86252e402ca7" }, { "evidence": { "bytes": 786124, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "usd_per_1m_tokens", "currency": "USD", "value": "10" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-10-21", "unit": "usd_per_token", "currency": "USD", "source": { "quote": "\"completion\":\"0.00001\"", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "0.00001" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "How much does OpenAI GPT-4o cost per 1M output tokens on OpenRouter?", "time": "2026-10-21T02:03:26.721Z", "measurement_id": "8d81f50296acdbbb" }, { "evidence": { "bytes": 786124, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "tokens", "value": "16384" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-10-21", "unit": "tokens", "source": { "quote": "\"max_completion_tokens\":16384", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "16384" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "What is the maximum output length of OpenAI GPT-4o on OpenRouter, in tokens?", "time": "2026-10-21T02:03:26.721Z", "measurement_id": "e58998428c211c05" }, { "evidence": { "bytes": 787246, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "tokens", "value": "16384" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-10-22", "unit": "tokens", "source": { "quote": "\"max_completion_tokens\":16384", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "16384" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "What is the maximum output length of OpenAI GPT-4o on OpenRouter, in tokens?", "time": "2026-10-22T02:13:41.144Z", "measurement_id": "390a5053ce9b4665" }, { "evidence": { "bytes": 787246, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "usd_per_1m_tokens", "currency": "USD", "value": "10" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-10-22", "unit": "usd_per_token", "currency": "USD", "source": { "quote": "\"completion\":\"0.00001\"", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "0.00001" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "How much does OpenAI GPT-4o cost per 1M output tokens on OpenRouter?", "time": "2026-10-22T02:13:41.144Z", "measurement_id": "651139634593c279" }, { "evidence": { "bytes": 787246, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "tokens", "value": "128000" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-10-22", "unit": "tokens", "source": { "quote": "\"context_length\":128000", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "128000" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "What is the context window of OpenAI GPT-4o on OpenRouter, in tokens?", "time": "2026-10-22T02:13:41.144Z", "measurement_id": "80fa2174ba7f4ce2" }, { "evidence": { "bytes": 787246, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "usd_per_1m_tokens", "currency": "USD", "value": "2.5" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-10-22", "unit": "usd_per_token", "currency": "USD", "source": { "quote": "\"prompt\":\"0.0000025\"", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "0.0000025" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "How much does OpenAI GPT-4o cost per 1M input tokens on OpenRouter?", "time": "2026-10-22T02:13:41.144Z", "measurement_id": "bd71dcd3fc0db34a" }, { "evidence": { "bytes": 789965, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "tokens", "value": "128000" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-10-23", "unit": "tokens", "source": { "quote": "\"context_length\":128000", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "128000" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "What is the context window of OpenAI GPT-4o on OpenRouter, in tokens?", "time": "2026-10-23T02:21:26.750Z", "measurement_id": "3d4356970bfc753d" }, { "evidence": { "bytes": 789965, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "tokens", "value": "16384" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-10-23", "unit": "tokens", "source": { "quote": "\"max_completion_tokens\":16384", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "16384" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "What is the maximum output length of OpenAI GPT-4o on OpenRouter, in tokens?", "time": "2026-10-23T02:21:26.750Z", "measurement_id": "6c18c953aa6651a8" }, { "evidence": { "bytes": 789965, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "usd_per_1m_tokens", "currency": "USD", "value": "10" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-10-23", "unit": "usd_per_token", "currency": "USD", "source": { "quote": "\"completion\":\"0.00001\"", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "0.00001" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "How much does OpenAI GPT-4o cost per 1M output tokens on OpenRouter?", "time": "2026-10-23T02:21:26.750Z", "measurement_id": "c8ef20ae121e5d33" }, { "evidence": { "bytes": 789965, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "usd_per_1m_tokens", "currency": "USD", "value": "2.5" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-10-23", "unit": "usd_per_token", "currency": "USD", "source": { "quote": "\"prompt\":\"0.0000025\"", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "0.0000025" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "How much does OpenAI GPT-4o cost per 1M input tokens on OpenRouter?", "time": "2026-10-23T02:21:26.750Z", "measurement_id": "d0cf724ae0d435a9" }, { "evidence": { "bytes": 792284, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "usd_per_1m_tokens", "currency": "USD", "value": "2.5" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-10-24", "unit": "usd_per_token", "currency": "USD", "source": { "quote": "\"prompt\":\"0.0000025\"", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "0.0000025" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "How much does OpenAI GPT-4o cost per 1M input tokens on OpenRouter?", "time": "2026-10-24T02:21:54.274Z", "measurement_id": "40b2b6a740ef4c45" }, { "evidence": { "bytes": 792284, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "usd_per_1m_tokens", "currency": "USD", "value": "10" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-10-24", "unit": "usd_per_token", "currency": "USD", "source": { "quote": "\"completion\":\"0.00001\"", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "0.00001" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "How much does OpenAI GPT-4o cost per 1M output tokens on OpenRouter?", "time": "2026-10-24T02:21:54.274Z", "measurement_id": "51ded91a009741a1" }, { "evidence": { "bytes": 792284, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "tokens", "value": "128000" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-10-24", "unit": "tokens", "source": { "quote": "\"context_length\":128000", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "128000" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "What is the context window of OpenAI GPT-4o on OpenRouter, in tokens?", "time": "2026-10-24T02:21:54.274Z", "measurement_id": "6879bf234610868c" }, { "evidence": { "bytes": 792284, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "tokens", "value": "16384" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-10-24", "unit": "tokens", "source": { "quote": "\"max_completion_tokens\":16384", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "16384" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "What is the maximum output length of OpenAI GPT-4o on OpenRouter, in tokens?", "time": "2026-10-24T02:21:54.274Z", "measurement_id": "bb0d15c30cfdabf8" }, { "evidence": { "bytes": 790817, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "usd_per_1m_tokens", "currency": "USD", "value": "2.5" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-10-25", "unit": "usd_per_token", "currency": "USD", "source": { "quote": "\"prompt\":\"0.0000025\"", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "0.0000025" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "How much does OpenAI GPT-4o cost per 1M input tokens on OpenRouter?", "time": "2026-10-25T03:48:14.183Z", "measurement_id": "187772d926ee4da1" }, { "evidence": { "bytes": 790817, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "tokens", "value": "128000" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-10-25", "unit": "tokens", "source": { "quote": "\"context_length\":128000", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "128000" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "What is the context window of OpenAI GPT-4o on OpenRouter, in tokens?", "time": "2026-10-25T03:48:14.183Z", "measurement_id": "33c2cfbeaa0eef2e" }, { "evidence": { "bytes": 790817, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "usd_per_1m_tokens", "currency": "USD", "value": "10" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-10-25", "unit": "usd_per_token", "currency": "USD", "source": { "quote": "\"completion\":\"0.00001\"", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "0.00001" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "How much does OpenAI GPT-4o cost per 1M output tokens on OpenRouter?", "time": "2026-10-25T03:48:14.183Z", "measurement_id": "4b1bdee6f41ae3a5" }, { "evidence": { "bytes": 790817, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "tokens", "value": "16384" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-10-25", "unit": "tokens", "source": { "quote": "\"max_completion_tokens\":16384", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "16384" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "What is the maximum output length of OpenAI GPT-4o on OpenRouter, in tokens?", "time": "2026-10-25T03:48:14.183Z", "measurement_id": "dd7f1db9a90979a5" }, { "evidence": { "bytes": 791580, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "usd_per_1m_tokens", "currency": "USD", "value": "2.5" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-10-26", "unit": "usd_per_token", "currency": "USD", "source": { "quote": "\"prompt\":\"0.0000025\"", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "0.0000025" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "How much does OpenAI GPT-4o cost per 1M input tokens on OpenRouter?", "time": "2026-10-26T03:17:08.935Z", "measurement_id": "00ee16247349d7fd" }, { "evidence": { "bytes": 791580, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "tokens", "value": "128000" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-10-26", "unit": "tokens", "source": { "quote": "\"context_length\":128000", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "128000" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "What is the context window of OpenAI GPT-4o on OpenRouter, in tokens?", "time": "2026-10-26T03:17:08.935Z", "measurement_id": "2df394c7f664aed4" }, { "evidence": { "bytes": 791580, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "usd_per_1m_tokens", "currency": "USD", "value": "10" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-10-26", "unit": "usd_per_token", "currency": "USD", "source": { "quote": "\"completion\":\"0.00001\"", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "0.00001" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "How much does OpenAI GPT-4o cost per 1M output tokens on OpenRouter?", "time": "2026-10-26T03:17:08.935Z", "measurement_id": "8b40abf8c1e2d8f5" }, { "evidence": { "bytes": 791580, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "tokens", "value": "16384" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-10-26", "unit": "tokens", "source": { "quote": "\"max_completion_tokens\":16384", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "16384" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "What is the maximum output length of OpenAI GPT-4o on OpenRouter, in tokens?", "time": "2026-10-26T03:17:08.935Z", "measurement_id": "be480fa71d0bc9f9" }, { "evidence": { "bytes": 786400, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "usd_per_1m_tokens", "currency": "USD", "value": "10" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-10-27", "unit": "usd_per_token", "currency": "USD", "source": { "quote": "\"completion\":\"0.00001\"", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "0.00001" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "How much does OpenAI GPT-4o cost per 1M output tokens on OpenRouter?", "time": "2026-10-27T03:11:05.370Z", "measurement_id": "28163eabf33643a5" }, { "evidence": { "bytes": 786400, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "tokens", "value": "128000" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-10-27", "unit": "tokens", "source": { "quote": "\"context_length\":128000", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "128000" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "What is the context window of OpenAI GPT-4o on OpenRouter, in tokens?", "time": "2026-10-27T03:11:05.370Z", "measurement_id": "6b32c24df99262c9" }, { "evidence": { "bytes": 786400, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "usd_per_1m_tokens", "currency": "USD", "value": "2.5" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-10-27", "unit": "usd_per_token", "currency": "USD", "source": { "quote": "\"prompt\":\"0.0000025\"", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "0.0000025" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "How much does OpenAI GPT-4o cost per 1M input tokens on OpenRouter?", "time": "2026-10-27T03:11:05.370Z", "measurement_id": "781aa69a2ef94fc1" }, { "evidence": { "bytes": 786400, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "tokens", "value": "16384" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-10-27", "unit": "tokens", "source": { "quote": "\"max_completion_tokens\":16384", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "16384" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "What is the maximum output length of OpenAI GPT-4o on OpenRouter, in tokens?", "time": "2026-10-27T03:11:05.370Z", "measurement_id": "eacee8bdc28cf814" }, { "evidence": { "bytes": 787040, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "usd_per_1m_tokens", "currency": "USD", "value": "10" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-10-28", "unit": "usd_per_token", "currency": "USD", "source": { "quote": "\"completion\":\"0.00001\"", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "0.00001" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "How much does OpenAI GPT-4o cost per 1M output tokens on OpenRouter?", "time": "2026-10-28T03:20:44.417Z", "measurement_id": "60bfef622d2c7a11" }, { "evidence": { "bytes": 787040, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "tokens", "value": "128000" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-10-28", "unit": "tokens", "source": { "quote": "\"context_length\":128000", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "128000" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "What is the context window of OpenAI GPT-4o on OpenRouter, in tokens?", "time": "2026-10-28T03:20:44.417Z", "measurement_id": "839350899a935fbf" }, { "evidence": { "bytes": 787040, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "usd_per_1m_tokens", "currency": "USD", "value": "1.25" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-10-28", "unit": "usd_per_token", "currency": "USD", "source": { "quote": "\"input_cache_read\":\"0.00000125\"", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "0.00000125" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "How much does OpenAI GPT-4o cost per 1M cache-read tokens (cache hits) on OpenRouter?", "time": "2026-10-28T03:20:44.417Z", "measurement_id": "b70e441210d5fa4c" }, { "evidence": { "bytes": 787040, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "tokens", "value": "16384" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-10-28", "unit": "tokens", "source": { "quote": "\"max_completion_tokens\":16384", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "16384" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "What is the maximum output length of OpenAI GPT-4o on OpenRouter, in tokens?", "time": "2026-10-28T03:20:44.417Z", "measurement_id": "bc245564d67968ee" }, { "evidence": { "bytes": 787040, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "usd_per_1m_tokens", "currency": "USD", "value": "2.5" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-10-28", "unit": "usd_per_token", "currency": "USD", "source": { "quote": "\"prompt\":\"0.0000025\"", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "0.0000025" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "How much does OpenAI GPT-4o cost per 1M input tokens on OpenRouter?", "time": "2026-10-28T03:20:44.417Z", "measurement_id": "ff91a00b8e3a770a" }, { "evidence": { "bytes": 768616, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "usd_per_1m_tokens", "currency": "USD", "value": "1.25" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-10-29", "unit": "usd_per_token", "currency": "USD", "source": { "quote": "\"input_cache_read\":\"0.00000125\"", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "0.00000125" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "How much does OpenAI GPT-4o cost per 1M cache-read tokens (cache hits) on OpenRouter?", "time": "2026-10-29T03:25:42.527Z", "measurement_id": "2d901d0179e9bfe0" }, { "evidence": { "bytes": 768616, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "usd_per_1m_tokens", "currency": "USD", "value": "10" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-10-29", "unit": "usd_per_token", "currency": "USD", "source": { "quote": "\"completion\":\"0.00001\"", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "0.00001" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "How much does OpenAI GPT-4o cost per 1M output tokens on OpenRouter?", "time": "2026-10-29T03:25:42.527Z", "measurement_id": "411de03fcb5f9d02" }, { "evidence": { "bytes": 768616, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "tokens", "value": "16384" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-10-29", "unit": "tokens", "source": { "quote": "\"max_completion_tokens\":16384", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "16384" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "What is the maximum output length of OpenAI GPT-4o on OpenRouter, in tokens?", "time": "2026-10-29T03:25:42.527Z", "measurement_id": "64a1da20e936a0a2" }, { "evidence": { "bytes": 768616, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "usd_per_1m_tokens", "currency": "USD", "value": "2.5" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-10-29", "unit": "usd_per_token", "currency": "USD", "source": { "quote": "\"prompt\":\"0.0000025\"", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "0.0000025" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "How much does OpenAI GPT-4o cost per 1M input tokens on OpenRouter?", "time": "2026-10-29T03:25:42.527Z", "measurement_id": "a73d53212b8b9b5b" }, { "evidence": { "bytes": 768616, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "tokens", "value": "128000" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-10-29", "unit": "tokens", "source": { "quote": "\"context_length\":128000", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "128000" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "What is the context window of OpenAI GPT-4o on OpenRouter, in tokens?", "time": "2026-10-29T03:25:42.527Z", "measurement_id": "f4cdceccf2afc82a" }, { "evidence": { "bytes": 768363, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "usd_per_1m_tokens", "currency": "USD", "value": "10" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-10-30", "unit": "usd_per_token", "currency": "USD", "source": { "quote": "\"completion\":\"0.00001\"", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "0.00001" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "How much does OpenAI GPT-4o cost per 1M output tokens on OpenRouter?", "time": "2026-10-30T03:25:19.405Z", "measurement_id": "0678be9ddc802921" }, { "evidence": { "bytes": 768363, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "usd_per_1m_tokens", "currency": "USD", "value": "1.25" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-10-30", "unit": "usd_per_token", "currency": "USD", "source": { "quote": "\"input_cache_read\":\"0.00000125\"", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "0.00000125" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "How much does OpenAI GPT-4o cost per 1M cache-read tokens (cache hits) on OpenRouter?", "time": "2026-10-30T03:25:19.405Z", "measurement_id": "3b550a6b7968cca2" }, { "evidence": { "bytes": 768363, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "tokens", "value": "16384" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-10-30", "unit": "tokens", "source": { "quote": "\"max_completion_tokens\":16384", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "16384" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "What is the maximum output length of OpenAI GPT-4o on OpenRouter, in tokens?", "time": "2026-10-30T03:25:19.405Z", "measurement_id": "6dbb4580759981d3" }, { "evidence": { "bytes": 768363, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "tokens", "value": "128000" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-10-30", "unit": "tokens", "source": { "quote": "\"context_length\":128000", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "128000" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "What is the context window of OpenAI GPT-4o on OpenRouter, in tokens?", "time": "2026-10-30T03:25:19.405Z", "measurement_id": "bc123be2ba4c6638" }, { "evidence": { "bytes": 768363, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "usd_per_1m_tokens", "currency": "USD", "value": "2.5" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-10-30", "unit": "usd_per_token", "currency": "USD", "source": { "quote": "\"prompt\":\"0.0000025\"", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "0.0000025" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "How much does OpenAI GPT-4o cost per 1M input tokens on OpenRouter?", "time": "2026-10-30T03:25:19.405Z", "measurement_id": "c4f4ed72f5d306b7" }, { "evidence": { "bytes": 810213, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "usd_per_1m_tokens", "currency": "USD", "value": "1.25" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-10-31", "unit": "usd_per_token", "currency": "USD", "source": { "quote": "\"input_cache_read\":\"0.00000125\"", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "0.00000125" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "How much does OpenAI GPT-4o cost per 1M cache-read tokens (cache hits) on OpenRouter?", "time": "2026-10-31T03:45:23.997Z", "measurement_id": "07a409211b8d66dc" }, { "evidence": { "bytes": 810213, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "tokens", "value": "128000" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-10-31", "unit": "tokens", "source": { "quote": "\"context_length\":128000", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "128000" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "What is the context window of OpenAI GPT-4o on OpenRouter, in tokens?", "time": "2026-10-31T03:45:23.997Z", "measurement_id": "09108420d121e360" }, { "evidence": { "bytes": 810213, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "tokens", "value": "16384" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-10-31", "unit": "tokens", "source": { "quote": "\"max_completion_tokens\":16384", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "16384" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "What is the maximum output length of OpenAI GPT-4o on OpenRouter, in tokens?", "time": "2026-10-31T03:45:23.997Z", "measurement_id": "c7b8fcef4c01d14f" }, { "evidence": { "bytes": 810213, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "usd_per_1m_tokens", "currency": "USD", "value": "10" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-10-31", "unit": "usd_per_token", "currency": "USD", "source": { "quote": "\"completion\":\"0.00001\"", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "0.00001" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "How much does OpenAI GPT-4o cost per 1M output tokens on OpenRouter?", "time": "2026-10-31T03:45:23.997Z", "measurement_id": "d2b063b2f98275bc" }, { "evidence": { "bytes": 810213, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "usd_per_1m_tokens", "currency": "USD", "value": "2.5" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-10-31", "unit": "usd_per_token", "currency": "USD", "source": { "quote": "\"prompt\":\"0.0000025\"", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "0.0000025" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "How much does OpenAI GPT-4o cost per 1M input tokens on OpenRouter?", "time": "2026-10-31T03:45:23.997Z", "measurement_id": "e6245ec5784946b4" }, { "evidence": { "bytes": 804811, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "usd_per_1m_tokens", "currency": "USD", "value": "1.25" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-11-01", "unit": "usd_per_token", "currency": "USD", "source": { "quote": "\"input_cache_read\":\"0.00000125\"", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "0.00000125" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "How much does OpenAI GPT-4o cost per 1M cache-read tokens (cache hits) on OpenRouter?", "time": "2026-11-01T03:42:33.846Z", "measurement_id": "1be895a679b64b97" }, { "evidence": { "bytes": 804811, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "tokens", "value": "16384" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-11-01", "unit": "tokens", "source": { "quote": "\"max_completion_tokens\":16384", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "16384" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "What is the maximum output length of OpenAI GPT-4o on OpenRouter, in tokens?", "time": "2026-11-01T03:42:33.846Z", "measurement_id": "27b4e3725c14df54" }, { "evidence": { "bytes": 804811, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "usd_per_1m_tokens", "currency": "USD", "value": "2.5" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-11-01", "unit": "usd_per_token", "currency": "USD", "source": { "quote": "\"prompt\":\"0.0000025\"", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "0.0000025" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "How much does OpenAI GPT-4o cost per 1M input tokens on OpenRouter?", "time": "2026-11-01T03:42:33.846Z", "measurement_id": "4bb81a2a088313df" }, { "evidence": { "bytes": 804811, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "tokens", "value": "128000" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-11-01", "unit": "tokens", "source": { "quote": "\"context_length\":128000", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "128000" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "What is the context window of OpenAI GPT-4o on OpenRouter, in tokens?", "time": "2026-11-01T03:42:33.846Z", "measurement_id": "ca5bcb6401891646" }, { "evidence": { "bytes": 804811, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "usd_per_1m_tokens", "currency": "USD", "value": "10" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-11-01", "unit": "usd_per_token", "currency": "USD", "source": { "quote": "\"completion\":\"0.00001\"", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "0.00001" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "How much does OpenAI GPT-4o cost per 1M output tokens on OpenRouter?", "time": "2026-11-01T03:42:33.846Z", "measurement_id": "f9fe012b65148f58" }, { "evidence": { "bytes": 805389, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "usd_per_1m_tokens", "currency": "USD", "value": "10" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-11-02", "unit": "usd_per_token", "currency": "USD", "source": { "quote": "\"completion\":\"0.00001\"", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "0.00001" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "How much does OpenAI GPT-4o cost per 1M output tokens on OpenRouter?", "time": "2026-11-02T03:54:28.995Z", "measurement_id": "09c9b08cbcddfe4e" }, { "evidence": { "bytes": 805389, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "tokens", "value": "128000" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-11-02", "unit": "tokens", "source": { "quote": "\"context_length\":128000", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "128000" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "What is the context window of OpenAI GPT-4o on OpenRouter, in tokens?", "time": "2026-11-02T03:54:28.995Z", "measurement_id": "32206f09cd68b8d1" }, { "evidence": { "bytes": 805389, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "usd_per_1m_tokens", "currency": "USD", "value": "1.25" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-11-02", "unit": "usd_per_token", "currency": "USD", "source": { "quote": "\"input_cache_read\":\"0.00000125\"", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "0.00000125" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "How much does OpenAI GPT-4o cost per 1M cache-read tokens (cache hits) on OpenRouter?", "time": "2026-11-02T03:54:28.995Z", "measurement_id": "57c3d5c2f37f26f8" }, { "evidence": { "bytes": 805389, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "usd_per_1m_tokens", "currency": "USD", "value": "2.5" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-11-02", "unit": "usd_per_token", "currency": "USD", "source": { "quote": "\"prompt\":\"0.0000025\"", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "0.0000025" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "How much does OpenAI GPT-4o cost per 1M input tokens on OpenRouter?", "time": "2026-11-02T03:54:28.995Z", "measurement_id": "6f38885ffe664ac5" }, { "evidence": { "bytes": 805389, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "tokens", "value": "16384" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-11-02", "unit": "tokens", "source": { "quote": "\"max_completion_tokens\":16384", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "16384" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "What is the maximum output length of OpenAI GPT-4o on OpenRouter, in tokens?", "time": "2026-11-02T03:54:28.995Z", "measurement_id": "7b62ec8503897d12" }, { "evidence": { "bytes": 805077, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "tokens", "value": "16384" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-11-03", "unit": "tokens", "source": { "quote": "\"max_completion_tokens\":16384", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "16384" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "What is the maximum output length of OpenAI GPT-4o on OpenRouter, in tokens?", "time": "2026-11-03T03:49:13.310Z", "measurement_id": "26f1a83fd5a2a4f8" }, { "evidence": { "bytes": 805077, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "usd_per_1m_tokens", "currency": "USD", "value": "2.5" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-11-03", "unit": "usd_per_token", "currency": "USD", "source": { "quote": "\"prompt\":\"0.0000025\"", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "0.0000025" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "How much does OpenAI GPT-4o cost per 1M input tokens on OpenRouter?", "time": "2026-11-03T03:49:13.310Z", "measurement_id": "6dc6158105be2c21" }, { "evidence": { "bytes": 805077, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "tokens", "value": "128000" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-11-03", "unit": "tokens", "source": { "quote": "\"context_length\":128000", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "128000" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "What is the context window of OpenAI GPT-4o on OpenRouter, in tokens?", "time": "2026-11-03T03:49:13.310Z", "measurement_id": "70b3a68214a4f7fe" }, { "evidence": { "bytes": 805077, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "usd_per_1m_tokens", "currency": "USD", "value": "10" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-11-03", "unit": "usd_per_token", "currency": "USD", "source": { "quote": "\"completion\":\"0.00001\"", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "0.00001" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "How much does OpenAI GPT-4o cost per 1M output tokens on OpenRouter?", "time": "2026-11-03T03:49:13.310Z", "measurement_id": "8e347f220a10d21b" }, { "evidence": { "bytes": 805077, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "usd_per_1m_tokens", "currency": "USD", "value": "1.25" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-11-03", "unit": "usd_per_token", "currency": "USD", "source": { "quote": "\"input_cache_read\":\"0.00000125\"", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "0.00000125" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "How much does OpenAI GPT-4o cost per 1M cache-read tokens (cache hits) on OpenRouter?", "time": "2026-11-03T03:49:13.310Z", "measurement_id": "a5f3780ecb0054b2" }, { "evidence": { "bytes": 812973, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "usd_per_1m_tokens", "currency": "USD", "value": "1.25" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-11-04", "unit": "usd_per_token", "currency": "USD", "source": { "quote": "\"input_cache_read\":\"0.00000125\"", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "0.00000125" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "How much does OpenAI GPT-4o cost per 1M cache-read tokens (cache hits) on OpenRouter?", "time": "2026-11-04T03:55:16.404Z", "measurement_id": "1509e5cd35649044" }, { "evidence": { "bytes": 812973, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "tokens", "value": "16384" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-11-04", "unit": "tokens", "source": { "quote": "\"max_completion_tokens\":16384", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "16384" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "What is the maximum output length of OpenAI GPT-4o on OpenRouter, in tokens?", "time": "2026-11-04T03:55:16.404Z", "measurement_id": "34c008c61890ac3c" }, { "evidence": { "bytes": 812973, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "tokens", "value": "128000" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-11-04", "unit": "tokens", "source": { "quote": "\"context_length\":128000", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "128000" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "What is the context window of OpenAI GPT-4o on OpenRouter, in tokens?", "time": "2026-11-04T03:55:16.404Z", "measurement_id": "4c682b8a9e598db6" }, { "evidence": { "bytes": 812973, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "usd_per_1m_tokens", "currency": "USD", "value": "10" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-11-04", "unit": "usd_per_token", "currency": "USD", "source": { "quote": "\"completion\":\"0.00001\"", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "0.00001" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "How much does OpenAI GPT-4o cost per 1M output tokens on OpenRouter?", "time": "2026-11-04T03:55:16.404Z", "measurement_id": "95c75087d167b472" }, { "evidence": { "bytes": 812973, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "usd_per_1m_tokens", "currency": "USD", "value": "2.5" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-11-04", "unit": "usd_per_token", "currency": "USD", "source": { "quote": "\"prompt\":\"0.0000025\"", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "0.0000025" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "How much does OpenAI GPT-4o cost per 1M input tokens on OpenRouter?", "time": "2026-11-04T03:55:16.404Z", "measurement_id": "95c8151fdd45bdcb" }, { "evidence": { "bytes": 814102, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "usd_per_1m_tokens", "currency": "USD", "value": "10" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-11-05", "unit": "usd_per_token", "currency": "USD", "source": { "quote": "\"completion\":\"0.00001\"", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "0.00001" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "How much does OpenAI GPT-4o cost per 1M output tokens on OpenRouter?", "time": "2026-11-05T03:27:52.516Z", "measurement_id": "7d1be56761dcb175" }, { "evidence": { "bytes": 814102, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "tokens", "value": "128000" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-11-05", "unit": "tokens", "source": { "quote": "\"context_length\":128000", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "128000" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "What is the context window of OpenAI GPT-4o on OpenRouter, in tokens?", "time": "2026-11-05T03:27:52.516Z", "measurement_id": "8e9ca2e5e903ed3a" }, { "evidence": { "bytes": 814102, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "usd_per_1m_tokens", "currency": "USD", "value": "2.5" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-11-05", "unit": "usd_per_token", "currency": "USD", "source": { "quote": "\"prompt\":\"0.0000025\"", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "0.0000025" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "How much does OpenAI GPT-4o cost per 1M input tokens on OpenRouter?", "time": "2026-11-05T03:27:52.516Z", "measurement_id": "a51fd8aadccc041d" }, { "evidence": { "bytes": 814102, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "tokens", "value": "16384" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-11-05", "unit": "tokens", "source": { "quote": "\"max_completion_tokens\":16384", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "16384" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "What is the maximum output length of OpenAI GPT-4o on OpenRouter, in tokens?", "time": "2026-11-05T03:27:52.516Z", "measurement_id": "b483230c4c9f8637" }, { "evidence": { "bytes": 814102, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "usd_per_1m_tokens", "currency": "USD", "value": "1.25" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-11-05", "unit": "usd_per_token", "currency": "USD", "source": { "quote": "\"input_cache_read\":\"0.00000125\"", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "0.00000125" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "How much does OpenAI GPT-4o cost per 1M cache-read tokens (cache hits) on OpenRouter?", "time": "2026-11-05T03:27:52.516Z", "measurement_id": "bfe04146c562ac6e" }, { "evidence": { "bytes": 814093, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "usd_per_1m_tokens", "currency": "USD", "value": "2.5" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-11-06", "unit": "usd_per_token", "currency": "USD", "source": { "quote": "\"prompt\":\"0.0000025\"", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "0.0000025" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "How much does OpenAI GPT-4o cost per 1M input tokens on OpenRouter?", "time": "2026-11-06T03:28:58.109Z", "measurement_id": "162a08b32251786d" }, { "evidence": { "bytes": 814093, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "usd_per_1m_tokens", "currency": "USD", "value": "1.25" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-11-06", "unit": "usd_per_token", "currency": "USD", "source": { "quote": "\"input_cache_read\":\"0.00000125\"", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "0.00000125" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "How much does OpenAI GPT-4o cost per 1M cache-read tokens (cache hits) on OpenRouter?", "time": "2026-11-06T03:28:58.109Z", "measurement_id": "1ff103c69cfeb05a" }, { "evidence": { "bytes": 814093, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "tokens", "value": "16384" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-11-06", "unit": "tokens", "source": { "quote": "\"max_completion_tokens\":16384", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "16384" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "What is the maximum output length of OpenAI GPT-4o on OpenRouter, in tokens?", "time": "2026-11-06T03:28:58.109Z", "measurement_id": "3ba38001cf0c07c1" }, { "evidence": { "bytes": 814093, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "tokens", "value": "128000" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-11-06", "unit": "tokens", "source": { "quote": "\"context_length\":128000", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "128000" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "What is the context window of OpenAI GPT-4o on OpenRouter, in tokens?", "time": "2026-11-06T03:28:58.109Z", "measurement_id": "4fd56f5e5a3bfa89" }, { "evidence": { "bytes": 814093, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "usd_per_1m_tokens", "currency": "USD", "value": "10" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-11-06", "unit": "usd_per_token", "currency": "USD", "source": { "quote": "\"completion\":\"0.00001\"", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "0.00001" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "How much does OpenAI GPT-4o cost per 1M output tokens on OpenRouter?", "time": "2026-11-06T03:28:58.109Z", "measurement_id": "ae2d6a616d49364b" }, { "evidence": { "bytes": 827233, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "tokens", "value": "16384" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-11-07", "unit": "tokens", "source": { "quote": "\"max_completion_tokens\":16384", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "16384" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "What is the maximum output length of OpenAI GPT-4o on OpenRouter, in tokens?", "time": "2026-11-07T06:17:10.632Z", "measurement_id": "0d1d4b01aa3a44e1" }, { "evidence": { "bytes": 827233, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "usd_per_1m_tokens", "currency": "USD", "value": "10" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-11-07", "unit": "usd_per_token", "currency": "USD", "source": { "quote": "\"completion\":\"0.00001\"", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "0.00001" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "How much does OpenAI GPT-4o cost per 1M output tokens on OpenRouter?", "time": "2026-11-07T06:17:10.632Z", "measurement_id": "98049311a22921a0" }, { "evidence": { "bytes": 827233, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "usd_per_1m_tokens", "currency": "USD", "value": "2.5" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-11-07", "unit": "usd_per_token", "currency": "USD", "source": { "quote": "\"prompt\":\"0.0000025\"", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "0.0000025" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "How much does OpenAI GPT-4o cost per 1M input tokens on OpenRouter?", "time": "2026-11-07T06:17:10.632Z", "measurement_id": "ab9bbeef314353de" }, { "evidence": { "bytes": 827233, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "usd_per_1m_tokens", "currency": "USD", "value": "1.25" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-11-07", "unit": "usd_per_token", "currency": "USD", "source": { "quote": "\"input_cache_read\":\"0.00000125\"", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "0.00000125" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "How much does OpenAI GPT-4o cost per 1M cache-read tokens (cache hits) on OpenRouter?", "time": "2026-11-07T06:17:10.632Z", "measurement_id": "e89743315bddef04" }, { "evidence": { "bytes": 827233, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "tokens", "value": "128000" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-11-07", "unit": "tokens", "source": { "quote": "\"context_length\":128000", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "128000" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "What is the context window of OpenAI GPT-4o on OpenRouter, in tokens?", "time": "2026-11-07T06:17:10.632Z", "measurement_id": "f208b783dd40abe6" }, { "evidence": { "bytes": 834405, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "usd_per_1m_tokens", "currency": "USD", "value": "10" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-11-08", "unit": "usd_per_token", "currency": "USD", "source": { "quote": "\"completion\":\"0.00001\"", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "0.00001" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "How much does OpenAI GPT-4o cost per 1M output tokens on OpenRouter?", "time": "2026-11-08T04:00:01.210Z", "measurement_id": "7f47abb83db33750" }, { "evidence": { "bytes": 834405, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "tokens", "value": "16384" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-11-08", "unit": "tokens", "source": { "quote": "\"max_completion_tokens\":16384", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "16384" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "What is the maximum output length of OpenAI GPT-4o on OpenRouter, in tokens?", "time": "2026-11-08T04:00:01.210Z", "measurement_id": "8ead2964175bdf8e" }, { "evidence": { "bytes": 834405, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "usd_per_1m_tokens", "currency": "USD", "value": "2.5" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-11-08", "unit": "usd_per_token", "currency": "USD", "source": { "quote": "\"prompt\":\"0.0000025\"", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "0.0000025" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "How much does OpenAI GPT-4o cost per 1M input tokens on OpenRouter?", "time": "2026-11-08T04:00:01.210Z", "measurement_id": "97ec0e21360508f2" }, { "evidence": { "bytes": 834405, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "tokens", "value": "128000" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-11-08", "unit": "tokens", "source": { "quote": "\"context_length\":128000", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "128000" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "What is the context window of OpenAI GPT-4o on OpenRouter, in tokens?", "time": "2026-11-08T04:00:01.210Z", "measurement_id": "ab8f1373ec3f99b6" }, { "evidence": { "bytes": 834405, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "usd_per_1m_tokens", "currency": "USD", "value": "1.25" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-11-08", "unit": "usd_per_token", "currency": "USD", "source": { "quote": "\"input_cache_read\":\"0.00000125\"", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "0.00000125" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "How much does OpenAI GPT-4o cost per 1M cache-read tokens (cache hits) on OpenRouter?", "time": "2026-11-08T04:00:01.210Z", "measurement_id": "ed3f1d0a7f3f2750" }, { "evidence": { "bytes": 829400, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "tokens", "value": "128000" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-11-09", "unit": "tokens", "source": { "quote": "\"context_length\":128000", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "128000" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "What is the context window of OpenAI GPT-4o on OpenRouter, in tokens?", "time": "2026-11-09T03:43:34.334Z", "measurement_id": "101133e41bd3e56f" }, { "evidence": { "bytes": 829400, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "tokens", "value": "16384" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-11-09", "unit": "tokens", "source": { "quote": "\"max_completion_tokens\":16384", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "16384" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "What is the maximum output length of OpenAI GPT-4o on OpenRouter, in tokens?", "time": "2026-11-09T03:43:34.334Z", "measurement_id": "1d3cdb134e381b29" }, { "evidence": { "bytes": 829400, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "usd_per_1m_tokens", "currency": "USD", "value": "10" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-11-09", "unit": "usd_per_token", "currency": "USD", "source": { "quote": "\"completion\":\"0.00001\"", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "0.00001" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "How much does OpenAI GPT-4o cost per 1M output tokens on OpenRouter?", "time": "2026-11-09T03:43:34.334Z", "measurement_id": "7b046e535b5ae473" }, { "evidence": { "bytes": 829400, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "usd_per_1m_tokens", "currency": "USD", "value": "2.5" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-11-09", "unit": "usd_per_token", "currency": "USD", "source": { "quote": "\"prompt\":\"0.0000025\"", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "0.0000025" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "How much does OpenAI GPT-4o cost per 1M input tokens on OpenRouter?", "time": "2026-11-09T03:43:34.334Z", "measurement_id": "895c2557844ce84b" }, { "evidence": { "bytes": 829400, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "usd_per_1m_tokens", "currency": "USD", "value": "1.25" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-11-09", "unit": "usd_per_token", "currency": "USD", "source": { "quote": "\"input_cache_read\":\"0.00000125\"", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "0.00000125" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "How much does OpenAI GPT-4o cost per 1M cache-read tokens (cache hits) on OpenRouter?", "time": "2026-11-09T03:43:34.334Z", "measurement_id": "a862785b99b402ac" } ], "object": { "extra": {}, "name": "OpenAI: GPT-4o", "name_zh": null, "category": "openai", "object_id": "ai-models:openai-gpt-4o", "affiliate": null, "section": "ai-models", "schema": "object", "schema_version": "1", "country": null, "url": "https://openrouter.ai/openai/gpt-4o" }, "description": { "unit": "usd_per_1m_tokens", "currency": "USD", "name": "ai-models", "index": "Measured Lab AI API Price Watch", "title_en": "AI model API prices", "version": "1" }, "section": "ai-models", "indicators": [ { "unit": "days", "code": "days_observed", "n": 25, "window": "30d", "description_en": "Distinct dates with usable observations within this window", "reason": null, "data_status": "calculated", "value": "25" }, { "unit": "fraction", "code": "share_measured", "n": 25, "window": "30d", "description_en": "Share of checks in this window that recorded a value", "reason": null, "data_status": "calculated", "value": "1" }, { "unit": "percent", "code": "drift_percent", "n": 25, "window": "30d", "description_en": "Percentage change from the first usable value to the last within this window", "reason": null, "data_status": "calculated", "value": "0" }, { "unit": "count", "code": "changes_in_window", "n": 25, "window": "30d", "description_en": "Detected fact changes whose later observation falls within this window", "reason": null, "data_status": "calculated", "value": "0" }, { "unit": "usd_per_1m_tokens", "currency": "USD", "code": "latest_value", "n": 25, "window": "30d", "description_en": "Latest usable measured value in this window", "reason": null, "data_status": "measured", "value": "2.5" }, { "unit": "fraction", "code": "stability", "n": 25, "window": "30d", "description_en": "Fraction of adjacent usable observation pairs with unchanged values within this window", "reason": null, "data_status": "calculated", "value": "1" }, { "unit": "days", "code": "days_observed", "n": 8, "window": "7d", "description_en": "Distinct dates with usable observations within this window", "reason": null, "data_status": "calculated", "value": "8" }, { "unit": "fraction", "code": "share_measured", "n": 7, "window": "7d", "description_en": "Share of checks in this window that recorded a value", "reason": null, "data_status": "calculated", "value": "1" }, { "unit": "percent", "code": "drift_percent", "n": 7, "window": "7d", "description_en": "Percentage change from the first usable value to the last within this window", "reason": null, "data_status": "calculated", "value": "0" }, { "unit": "count", "code": "changes_in_window", "n": 7, "window": "7d", "description_en": "Detected fact changes whose later observation falls within this window", "reason": null, "data_status": "calculated", "value": "0" }, { "unit": "usd_per_1m_tokens", "currency": "USD", "code": "latest_value", "n": 7, "window": "7d", "description_en": "Latest usable measured value in this window", "reason": null, "data_status": "measured", "value": "2.5" }, { "unit": "fraction", "code": "stability", "n": 7, "window": "7d", "description_en": "Fraction of adjacent usable observation pairs with unchanged values within this window", "reason": null, "data_status": "calculated", "value": "1" }, { "unit": "days", "code": "days_observed", "n": 25, "window": "90d", "description_en": "Distinct dates with usable observations within this window", "reason": null, "data_status": "calculated", "value": "25" }, { "unit": "fraction", "code": "share_measured", "n": 25, "window": "90d", "description_en": "Share of checks in this window that recorded a value", "reason": null, "data_status": "calculated", "value": "1" }, { "unit": "percent", "code": "drift_percent", "n": 25, "window": "90d", "description_en": "Percentage change from the first usable value to the last within this window", "reason": null, "data_status": "calculated", "value": "0" }, { "unit": "count", "code": "changes_in_window", "n": 25, "window": "90d", "description_en": "Detected fact changes whose later observation falls within this window", "reason": null, "data_status": "calculated", "value": "0" }, { "unit": "usd_per_1m_tokens", "currency": "USD", "code": "latest_value", "n": 25, "window": "90d", "description_en": "Latest usable measured value in this window", "reason": null, "data_status": "measured", "value": "2.5" }, { "unit": "fraction", "code": "stability", "n": 25, "window": "90d", "description_en": "Fraction of adjacent usable observation pairs with unchanged values within this window", "reason": null, "data_status": "calculated", "value": "1" }, { "unit": "days", "code": "days_observed", "n": 25, "window": "all", "description_en": "Distinct dates with usable observations within this window", "reason": null, "data_status": "calculated", "value": "25" }, { "unit": "fraction", "code": "share_measured", "n": 25, "window": "all", "description_en": "Share of checks in this window that recorded a value", "reason": null, "data_status": "calculated", "value": "1" }, { "unit": "percent", "code": "drift_percent", "n": 25, "window": "all", "description_en": "Percentage change from the first usable value to the last within this window", "reason": null, "data_status": "calculated", "value": "0" }, { "unit": "count", "code": "changes_in_window", "n": 25, "window": "all", "description_en": "Detected fact changes whose later observation falls within this window", "reason": null, "data_status": "calculated", "value": "0" }, { "unit": "usd_per_1m_tokens", "currency": "USD", "code": "latest_value", "n": 25, "window": "all", "description_en": "Latest usable measured value in this window", "reason": null, "data_status": "measured", "value": "2.5" }, { "unit": "fraction", "code": "stability", "n": 25, "window": "all", "description_en": "Fraction of adjacent usable observation pairs with unchanged values within this window", "reason": null, "data_status": "calculated", "value": "1" } ], "latest": { "evidence": { "bytes": 829400, "http_status": 200, "url": "https://openrouter.ai/api/v1/models" }, "extra": {}, "measured": { "unit": "usd_per_1m_tokens", "currency": "USD", "value": "2.5" }, "data_class": "public", "method_version": "1", "object_id": "ai-models:openai-gpt-4o", "claim": { "date": "2026-11-09", "unit": "usd_per_token", "currency": "USD", "source": { "quote": "\"prompt\":\"0.0000025\"", "url": "https://openrouter.ai/api/v1/models" }, "text": null, "value": "0.0000025" }, "section": "ai-models", "section_version": "1", "repeats": 1, "reason": null, "region": "US", "region_name": "United States", "schema": "measurement", "schema_version": "1", "data_status": "measured", "question": "How much does OpenAI GPT-4o cost per 1M input tokens on OpenRouter?", "time": "2026-11-09T03:43:34.334Z", "measurement_id": "895c2557844ce84b" }, "quarantine": { "active": false, "held": [], "main_answer": false, "rule": "A very large price move is shown only after checks on two different dates return the same price; until then the page shows the previous value." }, "raw_journal": [], "generated_at": "2026-11-09T04:41:48.819Z", "schema": "object_slice", "schema_version": "1" }