Compare models
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 o3OpenAI |  Gemini 2.5 Flash |  Claude 4.7 OpusAnthropic | |
|---|---|---|---|
| Vendor | OpenAI | Anthropic | |
| Family | o-series | Gemini | Claude |
| Release date | 2025-04-16 | — | 2026-04-16 |
| Context window | 200,000 tokens | 1,000,000 tokens | 1,000,000 tokens |
| Parameters | — | — | — |
| Modality | text, vision | text, vision, audio | text, vision |
| License | proprietary | proprietary | proprietary |
| Source | proprietary | proprietary | proprietary |
| Description | Reasoning-focused model in the o-series. | — | Anthropic's most capable model, optimized for complex reasoning and coding. Improved software engineering, long-running coding tasks, and higher-resolution vision over Claude 4.6. |
| Links |
