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 o3OpenAI |  Mistral Large 2Mistral | GPT-5 OpenAI |  Qwen3 235BAlibaba | |
|---|---|---|---|---|
| Vendor | OpenAI | Mistral | OpenAI | Alibaba |
| Family | o-series | Mistral | GPT | Qwen |
| Release date | 2025-04-16 | 2024-07-24 | 2025-08-07 | 2025-04-29 |
| Context window | 200,000 tokens | 128,000 tokens | 400,000 tokens | 128,000 tokens |
| Parameters | — | 123B | — | 235B |
| Modality | text, vision | text | text, vision, audio | text |
| License | proprietary | Mistral Research License | proprietary | Apache-2.0 |
| Source | proprietary | open weights | proprietary | open weights |
| Description | Reasoning-focused model in the o-series. | — | OpenAI's flagship general-purpose model. Superseded by GPT-5.5 in April 2026. | Predecessor to the Qwen3.6 family. |
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