DeepSeek R1 is here: Performance on par with [OpenAI o1](/openai/o1), but open-sourced and with fully open reasoning tokens. It's 671B parameters in size, with 37B active in an inference pass....
DeepSeek: R1 — DeepSeek. Context window 64,000 tokens. API pricing (per 1M tokens): Input $0.7, Output $2.5. License: Open-Weights. LMArena 1,373. GPQA Diamond 71.7%.
| Provider | DeepSeek |
|---|---|
| API model ID | deepseek/deepseek-r1 |
| Tier | Mid |
| Context window | 64,000 tokens |
| Max output | 16,000 tokens |
| License | Open-Weights |
| API pricing (per 1M tokens) · Input | $0.7 |
| API pricing (per 1M tokens) · Output | $2.5 |
| LMArena | 1,373 (deepseek-r1) |
| GPQA Diamond | 71.7% |
LMArena (CC-BY 4.0, best reasoning setting, 2026-10-02) · GPQA Diamond: Epoch AI (CC-BY 4.0)
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