Compare models
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 Gemini 2.5 Pro |  o3OpenAI | Gemini 2.5 Flash | |
|---|---|---|---|
| Vendor | OpenAI | ||
| Family | Gemini | o-series | Gemini |
| Release date | 2025-03-25 | 2025-04-16 | — |
| Context window | 2,000,000 tokens | 200,000 tokens | 1,000,000 tokens |
| Parameters | — | — | — |
| Modality | text, vision, audio, video | text, vision | text, vision, audio |
| License | proprietary | proprietary | proprietary |
| Source | proprietary | proprietary | proprietary |
| Description | Predecessor to Gemini 3 Pro. | Reasoning-focused model in the o-series. | — |
| Links |
