Compare models
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 Gemini 2.5 Flash |  Claude 4.7 OpusAnthropic |  GPT-5.5OpenAI | |
|---|---|---|---|
| Vendor | Anthropic | OpenAI | |
| Family | Gemini | Claude | GPT |
| Release date | — | 2026-04-16 | 2026-04-23 |
| Context window | 1,000,000 tokens | 1,000,000 tokens | 400,000 tokens |
| Parameters | — | — | — |
| Modality | text, vision, audio | text, vision | text, vision, audio |
| License | proprietary | proprietary | proprietary |
| Source | proprietary | proprietary | proprietary |
| Description | — | 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. | OpenAI's smartest and most intuitive model — successor to GPT-5, with major coding, research, and document workflow gains. GPT-5.5 Pro variant also available for heavier reasoning. |
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