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 DeepSeek-R1DeepSeek |  GPT-5OpenAI |  Mistral Large 2Mistral | DeepSeek-V3.1 DeepSeek | |
|---|---|---|---|---|
| Vendor | DeepSeek | OpenAI | Mistral | DeepSeek |
| Family | DeepSeek | GPT | Mistral | DeepSeek |
| Release date | 2025-01-20 | 2025-08-07 | 2024-07-24 | 2025-08-21 |
| Context window | 128,000 tokens | 400,000 tokens | 128,000 tokens | 128,000 tokens |
| Parameters | 671B | — | 123B | 671B |
| Modality | text | text, vision, audio | text | text |
| License | MIT | proprietary | Mistral Research License | MIT |
| Source | open weights | proprietary | open weights | open weights |
| Description | Reasoning-focused open-weight model. | OpenAI's flagship general-purpose model. Superseded by GPT-5.5 in April 2026. | — | Large MoE open-weight model. Predecessor to DeepSeek-V4. |
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