o3 Mini
openai/o3-mini-2025-01-31
OpenAI’s o3 Mini model accepts text and file inputs and generates text output. It supports tool use and reasoning, has a context window of up to 200 000 tokens, and is not open weight. Pricing is $1.1 per million input tokens and $4.4 per million output tokens; the model was released on 2023‑10‑01.
- tool use
- structured outputs
- reasoning
At a glance
Specifications
What the API gives you
- Context window
- 200K tokens
- Max output
- 100K tokens
- Input price
- $1.10 / 1M tokens
- Output price
- $4.40 / 1M tokens
- Cache read
- $0.55 / 1M tokens
- Modalities
- text, file → text
- Knowledge cutoff
- Oct 31, 2023
- Released
- Oct 1, 2023
Recommendation coverage
Where this model appears
Not currently included in a published recommendation. This means the available task-specific evidence did not support a ranking yet—not that the model was reviewed and rejected.
Measured evidence
Public benchmark record
- Aider Polyglot
- 60.4%2026-07-17
- Aider Polyglot
- 60.4%2026-07-21
- SWE-bench Verified†
- 68.2%2025-05-16
LMArena data licensed CC-BY-4.0. Aider (Apache-2.0) and SWE-bench (MIT) are open. † Self-reported scaffold plus model result. Treat it as a claim, not an independent measurement.
Catalog data via OpenRouter and models.dev. Last checked within the past 6 hours.