DeepSeek R1 — Specifications
| Developer | DeepSeek |
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| Type | LLM (MoE, reasoning) |
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| Modality | Text → Text |
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| Parameters | 671B total / 37B active (MoE) |
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| Context window | 128K |
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| Max output | — |
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| License | MIT (open) |
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| Open weights | ✅ Yes |
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| Released | 2025 |
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| Input price | $0.50 /1M |
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| Output price | $2.15 /1M |
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| API providers | DeepSeek, DeepInfra, OpenRouter |
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🖥️ Run it locally
| VRAM (4-bit) | ~400 GB |
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| Minimum GPU | Multi-GPU server |
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Official page →
DeepSeek’s landmark open reasoning model — a 671B mixture-of-experts (37B active), MIT-licensed, delivering frontier-class chain-of-thought reasoning at a fraction of proprietary cost. Server-class to self-host, but openly downloadable.
