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 o3OpenAI |  Gemini 2.5 Pro | GPT-4.1 OpenAI | |
|---|---|---|---|
| Vendor | OpenAI | OpenAI | |
| Family | o-series | Gemini | GPT |
| Release date | 2025-04-16 | 2025-03-25 | 2025-04-14 |
| Context window | 200,000 tokens | 2,000,000 tokens | 1,000,000 tokens |
| Parameters | — | — | — |
| Modality | text, vision | text, vision, audio, video | text, vision |
| License | proprietary | proprietary | proprietary |
| Source | proprietary | proprietary | proprietary |
| Description | Reasoning-focused model in the o-series. | Predecessor to Gemini 3 Pro. | — |
| Links | |||
| Benchmarks | |||
| MMLU-Pro | — | 84.1% | — |
| GPQA-D | 87.7% | 84.0% | — |
| AIME-25 | 88.9% | — | — |
| MMMU | — | 72.4% | — |
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