OpenAI o4 Mini API Pricing
OpenAI o4 Mini API pricing: $1.10 per 1M tokens for input and $4.40 per 1M tokens for output, from OpenRouter. Published Last checked · Source (data) · Methodology
No OpenRouter listing recorded after 28 Oct 2026; the price above is the last one listed, not a current price.
OpenRouter: Amount worked out from the source page: $1.10 per 1M tokens, in USD · as shown in the United States on 28 Oct 2026 · the page does not say whether tax is included; we do not assume it is excluded · no price change seen since 16 Oct 2026.
Prices USD per 1M tokens, as listed
No longer listed: last listed prices
$1.10Input per 1M tokens, through OpenRouter Published$4.40Output per 1M tokens, through OpenRouter Published$0.55Batch input per 1M tokens, through OpenRouter Published
All prices by channel
| Price per 1M tokens | Provider direct | Through OpenRouter | Previous prices by channel |
|---|---|---|---|
| Input | — | — | |
| Output | — | — | |
| Cached input · read | — | — | |
| Batch · input / output | — | $0.55 / $2.20 Published | — |
Input price through OpenRouter, 16 Oct 2026 – 28 Oct 2026
16 Oct 2026$1.10 throughout28 Oct 2026
Quality signals public test results, each with its source and date
| Signal | Result | Source |
|---|---|---|
| Function callingBFCL V4 overall, native function calling | 53.24 % Publishedlive 66.10 % · non-live 37.73 % · multi-turn 41.75 % · web search 75.50 % · memory 34.19 % | Berkeley Function Calling Leaderboard, BFCL V4, last updated 12 Apr 2026read 17 Oct 2026 · leaderboard entry o4-mini-2025-04-16 (FC) · Apache 2.0 |
| Function callingBFCL V4 overall, tools described in the prompt | 50.26 % Publishedlive 70.76 % · non-live 81.29 % · multi-turn 16.62 % · web search 71.50 % · memory 35.27 % | Berkeley Function Calling Leaderboard, BFCL V4, last updated 12 Apr 2026read 17 Oct 2026 · leaderboard entry o4-mini-2025-04-16 (Prompt) · Apache 2.0 |
- Your own task: quality on it is not measured here. These are public test sets; a short trial on a few of your own examples is the check that fits your work.
- Other public leaderboards, without figures copied here: human preference votes on open-ended answers: Arena (LMArena) text leaderboard; long tasks in coding, data analysis and research: LiveBench.
What each signal covers and how our run is scored: methodology.
How we got this number
- What we read: the published price on openrouter.ai/api/v1/models
- Checked: ; tracked since 16 Oct 2026
- Shown in: the United States
- Checks so far: 13 checks since 16 Oct 2026
- What changed: no price change since 16 Oct 2026
- Page updated:
Other measured facts
| Question | Answer | Checked | Status |
|---|---|---|---|
| How much does OpenAI o4 Mini cost per 1M cache-read tokens (cache hits) on OpenRouter? | $0.28 per 1M tokens | Published | |
| How much does OpenAI o4 Mini cost per 1M output tokens on OpenRouter? | $4.40 per 1M tokens | Published | |
| What is the context window of OpenAI o4 Mini on OpenRouter, in tokens? | 200,000 tokens | Published | |
| What is the maximum output length of OpenAI o4 Mini on OpenRouter, in tokens? | 100,000 tokens | Published |
History
Same price in all 13 checks since 16 Oct 2026.
- — First check: $1.10 per 1M tokens
The source record lists $0.0000011 per token ($1.10 per 1M tokens), fetched on 28 Oct 2026.
The source record, as published
"prompt":"0.0000011"
Latest briefings each price change recalculated as a task cost
- DeepSeek V4 Pro 0813: price rise input $0.115 → $0.111 per 1M tokens (-3 %), output $4.00 → $4.44 per 1M tokens (+11 %)
- DeepSeek V4.1 Flash 1017: price cut input $0.300 → $0.0060 per 1M tokens (-98 %), output $1.20 → $0.500 per 1M tokens (-58 %)
- MoonshotAI Kimi K2.5: price rise input $0.500 → $0.532 per 1M tokens (+6 %), output $2.50 → $3.33 per 1M tokens (+33 %)
Record history — 53 records for 5 questions
- Last record
- Shown in
- the United States
| Time | Value | Status |
|---|---|---|
| 28 Oct 2026 | $1.10 per 1M tokens | Published |
| 27 Oct 2026 | $1.10 per 1M tokens | Published |
| 26 Oct 2026 | $1.10 per 1M tokens | Published |
| 25 Oct 2026 | $1.10 per 1M tokens | Published |
| 24 Oct 2026 | $1.10 per 1M tokens | Published |
| 23 Oct 2026 | $1.10 per 1M tokens | Published |
| 22 Oct 2026 | $1.10 per 1M tokens | Published |
| 21 Oct 2026 | $1.10 per 1M tokens | Published |
| 20 Oct 2026 | $1.10 per 1M tokens | Published |
| 19 Oct 2026 | $1.10 per 1M tokens | Published |
| 18 Oct 2026 | $1.10 per 1M tokens | Published |
| 17 Oct 2026 | $1.10 per 1M tokens | Published |
| 16 Oct 2026 | $1.10 per 1M tokens | Published |
| Time | Value | Status |
|---|---|---|
| 28 Oct 2026 | $0.28 per 1M tokens | Published |
| Time | Value | Status |
|---|---|---|
| 28 Oct 2026 | $4.40 per 1M tokens | Published |
| 27 Oct 2026 | $4.40 per 1M tokens | Published |
| 26 Oct 2026 | $4.40 per 1M tokens | Published |
| 25 Oct 2026 | $4.40 per 1M tokens | Published |
| 24 Oct 2026 | $4.40 per 1M tokens | Published |
| 23 Oct 2026 | $4.40 per 1M tokens | Published |
| 22 Oct 2026 | $4.40 per 1M tokens | Published |
| 21 Oct 2026 | $4.40 per 1M tokens | Published |
| 20 Oct 2026 | $4.40 per 1M tokens | Published |
| 19 Oct 2026 | $4.40 per 1M tokens | Published |
| 18 Oct 2026 | $4.40 per 1M tokens | Published |
| 17 Oct 2026 | $4.40 per 1M tokens | Published |
| 16 Oct 2026 | $4.40 per 1M tokens | Published |
| Time | Value | Status |
|---|---|---|
| 28 Oct 2026 | 200,000 tokens | Published |
| 27 Oct 2026 | 200,000 tokens | Published |
| 26 Oct 2026 | 200,000 tokens | Published |
| 25 Oct 2026 | 200,000 tokens | Published |
| 24 Oct 2026 | 200,000 tokens | Published |
| 23 Oct 2026 | 200,000 tokens | Published |
| 22 Oct 2026 | 200,000 tokens | Published |
| 21 Oct 2026 | 200,000 tokens | Published |
| 20 Oct 2026 | 200,000 tokens | Published |
| 19 Oct 2026 | 200,000 tokens | Published |
| 18 Oct 2026 | 200,000 tokens | Published |
| 17 Oct 2026 | 200,000 tokens | Published |
| 16 Oct 2026 | 200,000 tokens | Published |
| Time | Value | Status |
|---|---|---|
| 28 Oct 2026 | 100,000 tokens | Published |
| 27 Oct 2026 | 100,000 tokens | Published |
| 26 Oct 2026 | 100,000 tokens | Published |
| 25 Oct 2026 | 100,000 tokens | Published |
| 24 Oct 2026 | 100,000 tokens | Published |
| 23 Oct 2026 | 100,000 tokens | Published |
| 22 Oct 2026 | 100,000 tokens | Published |
| 21 Oct 2026 | 100,000 tokens | Published |
| 20 Oct 2026 | 100,000 tokens | Published |
| 19 Oct 2026 | 100,000 tokens | Published |
| 18 Oct 2026 | 100,000 tokens | Published |
| 17 Oct 2026 | 100,000 tokens | Published |
| 16 Oct 2026 | 100,000 tokens | Published |