Comparison · OpenAI
GPT-5.4 vs GPT-5.4 Mini
Listed API prices of GPT-5.4 and GPT-5.4 Mini turned into the cost of the same three standard tasks. Output quality, speed and answer length are not compared.
Calculated impact cost per task and per month
For an L2 task (deep analysis over a 50,000-token document, 3 steps), GPT-5.4 costs $0.443 and GPT-5.4 Mini $0.133 at the prices listed in the United States on , so GPT-5.4 is 233.3 % more than GPT-5.4 Mini, counting visible output only, without cache discounts or hidden reasoning.
| Task | GPT-5.4, per task | GPT-5.4 Mini, per task | GPT-5.4, per month | GPT-5.4 Mini, per month | GPT-5.4 vs GPT-5.4 Mini, per task |
|---|---|---|---|---|---|
| L1Micro-task (classification or strict JSON extraction) | $0.0067per L1 task | $0.0020per L1 task | $98.55per month | $29.57per month | +233.3 % |
| L2Deep analysis over a 50,000-token document | $0.443per L2 task | $0.133per L2 task | $6,460.50per month | $1,938.15per month | +233.3 % |
| L3Agentic coding loop, 15 steps | $3.42per L3 task | $1.03per L3 task | $49,986.75per month | $14,996.02per month | +233.3 % |
Calculated Per month: 20 tasks an hour around the clock, 730 hours.
Prices USD per 1M tokens
| Price | GPT-5.4 | GPT-5.4 Mini |
|---|---|---|
| Input, per 1M tokens | $2.50 | $0.750 |
| Output, per 1M tokens | $15.00 | $4.50 |
| Price from | OpenRouter · source page (data) Published | Provider's price list · source page Published |
| Read | · the United States | · the United States |
| Context window | 1,050,000 tokens | 400,000 tokens |
What can I use it for? six common tasks, our data checks
Quality on your task: not measured by Measured Lab yet.
| Task | GPT-5.4 | GPT-5.4 Mini |
|---|---|---|
| Answer customer messages | — | Fits on price and context |
| Pull data from invoices and documents with strict JSON and page images | — | Fits on price and context |
| Summarize documents and meetings | — | Fits on price and context |
| Translate content | — | Fits on price and context |
| Chat assistant on your website | — | Fits on price and context |
| Write and review code with tool calls | — | Fits on price and context |
| Tasks it fits | — | 6 of 6 |
Checks of our data for six common tasks: a published price, a context window and answer length for the task and, where the task needs them, strict JSON output, page images and tool calls; prices, cost a month and terms for each model on its model card. GPT-5.4 is not in the model picker. Compare models for your own task in the model picker.