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 Mistral Large 2Mistral |  GPT-5 ProOpenAI | |
|---|---|---|
| Vendor | Mistral | OpenAI |
| Family | Mistral | GPT |
| Release date | 2024-07-24 | 2025-08-07 |
| Context window | 128,000 tokens | 400,000 tokens |
| Parameters | 123B | — |
| Modality | text | text, vision, audio |
| License | Mistral Research License | proprietary |
| Source | open weights | proprietary |
| Description | Large text-only Mistral model with a 128K context window and 123B parameters, tuned for strong instruction following and long-context reasoning. Mistral's flagship open-weights release in the Large 2 line. | Higher-reasoning variant of GPT-5, used for harder scientific and research tasks (e.g., immunology breakthroughs at NIH). Same 400K context as GPT-5; trades latency for depth. |
| Links | ||
| Benchmarks | ||
| HumanEval | 89.0% | — |
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