GPT-5.6 Sol vs Mistral Large 2
Direct spec comparison of GPT-5.6 Sol (from OpenAI) and Mistral Large 2 (from Mistral). Want a 3- or 4-way comparison? Open the multi-model tool →
 GPT-5.6 SolOpenAI |  Mistral Large 2Mistral | |
|---|---|---|
| Vendor | OpenAI | Mistral |
| Family | GPT | Mistral |
| Release date | 2026-06-26 | 2024-07-24 |
| Context window | — | 128,000 tokens |
| Parameters | — | 123B |
| Modality | text, vision, audio | text |
| License | proprietary | Mistral Research License |
| Source | proprietary | open weights |
| Description | Flagship of OpenAI's GPT-5.6 three-model suite (Sol / Terra / Luna), released as a limited preview. Strong gains in coding, cybersecurity, biology, and long-horizon agentic work. Pricing: $5 / $30 per million input/output tokens. | 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. |
| Links | ||
| Benchmarks | ||
| HumanEval | — | 89.0% |
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