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 Gemini 2.5 Pro |  GPT-5OpenAI | Gemini Omni |  Claude 4.5 HaikuAnthropic | |
|---|---|---|---|---|
| Vendor | OpenAI | Anthropic | ||
| Family | Gemini | GPT | Gemini | Claude |
| Release date | 2025-03-25 | 2025-08-07 | 2026-05-20 | 2025-10-01 |
| Context window | 2,000,000 tokens | 400,000 tokens | 1,000,000 tokens | 200,000 tokens |
| Parameters | — | — | — | — |
| Modality | text, vision, audio, video | text, vision, audio | text, vision, audio, video | text, vision |
| License | proprietary | proprietary | proprietary | proprietary |
| Source | proprietary | proprietary | proprietary | proprietary |
| Description | Predecessor to Gemini 3 Pro. | OpenAI's flagship general-purpose model. Superseded by GPT-5.5 in April 2026. | Multimodal Gemini variant introduced at Google I/O 2026 — unified text, image, audio, and video processing in a single model. | Fast, cost-effective Claude model. |
| Links | ||||
| Benchmarks | ||||
| MMLU-Pro | 84.1% | 85.1% | — | — |
| GPQA-D | 84.0% | 87.3% | — | — |
| HumanEval | — | 95.2% | — | — |
| Aider | — | 85.4% | — | — |
| AIME-25 | — | 91.0% | — | — |
| LiveCB | — | 74.5% | — | — |
| MMMU | 72.4% | 74.1% | 82.5% | — |
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Claude 4.8 Opusmax
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