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 o3OpenAI |  Mistral Large 2Mistral | GPT-5 OpenAI |  Gemini 2.5 Flash | |
|---|---|---|---|---|
| Vendor | OpenAI | Mistral | OpenAI | |
| Family | o-series | Mistral | GPT | Gemini |
| Release date | 2025-04-16 | 2024-07-24 | 2025-08-07 | — |
| Context window | 200,000 tokens | 128,000 tokens | 400,000 tokens | 1,000,000 tokens |
| Parameters | — | 123B | — | — |
| Modality | text, vision | text | text, vision, audio | 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 flagship general-purpose model. Superseded by GPT-5.5 in April 2026. | — |
| Links |
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Gemini 2.5 Flash✓
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DeepSeek-V4-Flashmax
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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.