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 Gemini 2.5 Flash |  Mistral Large 2Mistral |  o3OpenAI | GPT-5.5 OpenAI | |
|---|---|---|---|---|
| Vendor | Mistral | OpenAI | OpenAI | |
| Family | Gemini | Mistral | o-series | GPT |
| Release date | — | 2024-07-24 | 2025-04-16 | 2026-04-23 |
| Context window | 1,000,000 tokens | 128,000 tokens | 200,000 tokens | 400,000 tokens |
| Parameters | — | 123B | — | — |
| Modality | text, vision, audio | text | text, vision | text, vision, audio |
| License | proprietary | Mistral Research License | proprietary | proprietary |
| Source | proprietary | open weights | proprietary | proprietary |
| Description | — | — | Reasoning-focused model in the o-series. | 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. |
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Gemini 2.5 Flash✓
Claude 4.6 SonnetmaxGPT-5.5✓
DeepSeek-V4-Flashmax
Qwen3.6-27BmaxGemini 3 PromaxDeepSeek-V4-PromaxClaude 4.7 OpusmaxClaude 4.5 HaikumaxDeepSeek-V3.1maxGPT-5max
Grok 4maxQwen3 235Bmaxo3✓GPT-4.1max
Llama 4 ScoutmaxLlama 4 MaverickmaxGemini 2.5 PromaxDeepSeek-R1maxMistral Large 2✓Max 4 models. Remove one to add another.