GPT-5.5 vs Mistral Large 2
Direct spec comparison of GPT-5.5 (from OpenAI) and Mistral Large 2 (from Mistral). Want a 3- or 4-way comparison? Open the multi-model tool →
 GPT-5.5OpenAI |  Mistral Large 2Mistral | |
|---|---|---|
| Vendor | OpenAI | Mistral |
| Family | GPT | Mistral |
| Release date | 2026-04-23 | 2024-07-24 |
| Context window | 400,000 tokens | 128,000 tokens |
| Parameters | — | 123B |
| Modality | text, vision, audio | text |
| License | proprietary | Mistral Research License |
| Source | proprietary | open weights |
| 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. | — |
| Links |
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