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 Mistral Large 2Mistral |  GPT-5.5OpenAI |  DeepSeek-V3.1DeepSeek | GPT-4.1 OpenAI | |
|---|---|---|---|---|
| Vendor | Mistral | OpenAI | DeepSeek | OpenAI |
| Family | Mistral | GPT | DeepSeek | GPT |
| Release date | 2024-07-24 | 2026-04-23 | 2025-08-21 | 2025-04-14 |
| Context window | 128,000 tokens | 400,000 tokens | 128,000 tokens | 1,000,000 tokens |
| Parameters | 123B | — | 671B | — |
| Modality | text | text, vision, audio | text | text, vision |
| License | Mistral Research License | proprietary | MIT | proprietary |
| Source | open weights | proprietary | open weights | proprietary |
| Description | — | OpenAI's smartest and most intuitive model — successor to GPT-5, with major coding, research, and document workflow gains. GPT-5.5 Pro variant also available for heavier reasoning. | Large MoE open-weight model. Predecessor to DeepSeek-V4. | — |
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