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 Grok 4xAI |  Mistral Large 2Mistral |  Gemini 3 Pro |  o3OpenAI | |
|---|---|---|---|---|
| Vendor | xAI | Mistral | OpenAI | |
| Family | Grok | Mistral | Gemini | o-series |
| Release date | 2025-07-09 | 2024-07-24 | 2026-04-22 | 2025-04-16 |
| Context window | 256,000 tokens | 128,000 tokens | 2,000,000 tokens | 200,000 tokens |
| Parameters | — | 123B | — | — |
| Modality | text | text | text, vision, audio, video | text, vision |
| License | proprietary | Mistral Research License | proprietary | proprietary |
| Source | proprietary | open weights | proprietary | 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. | Google DeepMind's flagship multimodal model. Best-in-class for multimodal understanding and agentic / vibe coding workflows. A "Deep Think" reasoning mode is available to AI Ultra subscribers. | Reasoning-focused model in the o-series. |
| Links | ||||
| Benchmarks | ||||
| MMLU-Pro | 82.8% | — | 87.1% | — |
| GPQA-D | 87.5% | — | 88.6% | 87.7% |
| HumanEval | — | 89.0% | 96.5% | — |
| Aider | 72.5% | — | 84.8% | — |
| AIME-25 | 86.1% | — | 92.8% | 88.9% |
| LiveCB | 65.3% | — | 76.1% | — |
| MMMU | — | — | 84.3% | — |
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