The latest and strongest model family from OpenAI, o1 is designed to spend more time thinking before responding. The o1 model series is trained with large-scale reinforcement learning to reason...
OpenAI: o1 — OpenAI. Context window 200,000 tokens. API pricing (per 1M tokens): Input $15, Output $60. License: Proprietary. LMArena 1,353. GPQA Diamond 76.8%.
| Provider | OpenAI |
|---|---|
| API model ID | openai/o1 |
| Tier | Frontier |
| Context window | 200,000 tokens |
| Max output | 100,000 tokens |
| License | Proprietary |
| API pricing (per 1M tokens) · Input | $15 |
| API pricing (per 1M tokens) · Output | $60 |
| LMArena | 1,353 (o1-preview) |
| GPQA Diamond | 76.8% |
LMArena (CC-BY 4.0, best reasoning setting, 2026-10-02) · GPQA Diamond: Epoch AI (CC-BY 4.0)
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