OpenAI o3-mini is a cost-efficient language model optimized for STEM reasoning tasks, particularly excelling in science, mathematics, and coding. This model supports the `reasoning_effort` parameter, which can be set to...
OpenAI: o3 Mini — OpenAI. Context window 200,000 tokens. API pricing (per 1M tokens): Input $1.1, Output $4.4. License: Proprietary. LMArena 1,337. GPQA Diamond 77%.
| Provider | OpenAI |
|---|---|
| API model ID | openai/o3-mini |
| Tier | Frontier |
| Context window | 200,000 tokens |
| Max output | 100,000 tokens |
| License | Proprietary |
| API pricing (per 1M tokens) · Input | $1.1 |
| API pricing (per 1M tokens) · Output | $4.4 |
| LMArena | 1,337 (o3-mini-high) |
| GPQA Diamond | 77% |
LMArena (CC-BY 4.0, best reasoning setting, 2026-10-02) · GPQA Diamond: Epoch AI (CC-BY 4.0)
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