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 Mistral Large 2Mistral |  DeepSeek-V3.1DeepSeek | DeepSeek-V4-Pro DeepSeek |  o3OpenAI | |
|---|---|---|---|---|
| Vendor | Mistral | DeepSeek | DeepSeek | OpenAI |
| Family | Mistral | DeepSeek | DeepSeek | o-series |
| Release date | 2024-07-24 | 2025-08-21 | 2026-04-22 | 2025-04-16 |
| Context window | 128,000 tokens | 128,000 tokens | 1,000,000 tokens | 200,000 tokens |
| Parameters | 123B | 671B | 1.6T (49B active) | — |
| Modality | text | text | text | text, vision |
| License | Mistral Research License | MIT | MIT | proprietary |
| Source | open weights | open weights | open weights | proprietary |
| Description | — | Large MoE open-weight model. Predecessor to DeepSeek-V4. | DeepSeek's flagship open-weight MoE. 1.6T parameters with 49B activated, 1M-token context, and a hybrid attention scheme (CSA + HCA) that delivers long-context inference at ~27% of V3.2's FLOPs. | Reasoning-focused model in the o-series. |
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