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 Gemini 3.5 Flash |  Grok 4xAI |  Mistral Large 2Mistral |  GPT-5 ProOpenAI | |
|---|---|---|---|---|
| Vendor | xAI | Mistral | OpenAI | |
| Family | Gemini | Grok | Mistral | GPT |
| Release date | 2026-05-20 | 2025-07-09 | 2024-07-24 | 2025-08-07 |
| Context window | — | 256,000 tokens | 128,000 tokens | 400,000 tokens |
| Parameters | — | — | 123B | — |
| Modality | text, vision, audio | text | text | text, vision, audio |
| License | proprietary | proprietary | Mistral Research License | proprietary |
| Source | proprietary | proprietary | open weights | proprietary |
| Description | Fast, low-cost tier of the Gemini 3.5 family announced at Google I/O 2026. June 2026 update added native computer-use capability, moving Flash from generation to agentic task execution. | — | 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 | ||||
| MMLU-Pro | — | 82.8% | — | — |
| GPQA-D | — | 87.5% | — | — |
| HumanEval | — | — | 89.0% | — |
| Aider | — | 72.5% | — | — |
| AIME-25 | — | 86.1% | — | — |
| LiveCB | — | 65.3% | — | — |
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