Compare models
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 Gemini 2.5 Pro |  GPT-5OpenAI |  Claude 4.5 HaikuAnthropic | |
|---|---|---|---|
| Vendor | OpenAI | Anthropic | |
| Family | Gemini | GPT | Claude |
| Release date | 2025-03-25 | 2025-08-07 | 2025-10-01 |
| Context window | 2,000,000 tokens | 400,000 tokens | 200,000 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. | OpenAI's flagship general-purpose model. Superseded by GPT-5.5 in April 2026. | Fast, cost-effective Claude model. |
| Links |
