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 Gemini 2.5 Pro |  GPT-5 ProOpenAI | GPT-4.1 OpenAI | |
|---|---|---|---|
| Vendor | OpenAI | OpenAI | |
| Family | Gemini | GPT | GPT |
| Release date | 2025-03-25 | 2025-08-07 | 2025-04-14 |
| Context window | 2,000,000 tokens | 400,000 tokens | 1,000,000 tokens |
| Parameters | — | — | — |
| Modality | text, vision, audio, video | text, vision, audio | text, vision |
| License | proprietary | proprietary | proprietary |
| Source | proprietary | proprietary | proprietary |
| Description | Predecessor to Gemini 3 Pro. | Higher-reasoning variant of GPT-5, used for harder scientific and research tasks (e.g., immunology breakthroughs at NIH). Same 400K context as GPT-5; trades latency for depth. | — |
| Links | |||
| Benchmarks | |||
| MMLU-Pro | 84.1% | — | — |
| GPQA-D | 84.0% | — | — |
| MMMU | 72.4% | — | — |
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