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 GPT-5.5OpenAI |  Grok 4xAI |  Mistral Large 2Mistral |  Gemini 2.5 Pro | |
|---|---|---|---|---|
| Vendor | OpenAI | xAI | Mistral | |
| Family | GPT | Grok | Mistral | Gemini |
| Release date | 2026-04-23 | 2025-07-09 | 2024-07-24 | 2025-03-25 |
| Context window | 400,000 tokens | 256,000 tokens | 128,000 tokens | 2,000,000 tokens |
| Parameters | — | — | 123B | — |
| Modality | text, vision, audio | text | text | text, vision, audio, video |
| License | proprietary | proprietary | Mistral Research License | proprietary |
| Source | proprietary | proprietary | open weights | proprietary |
| 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. | — | — | Predecessor to Gemini 3 Pro. |
| Links |
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DeepSeek-V4-Flashmax
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Llama 4 ScoutmaxLlama 4 MaverickmaxGemini 2.5 Pro✓DeepSeek-R1maxMistral Large 2✓Max 4 models. Remove one to add another.