Compare models
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 DeepSeek-V3.1DeepSeek |  Claude 4.7 OpusAnthropic |  GPT-5OpenAI | |
|---|---|---|---|
| Vendor | DeepSeek | Anthropic | OpenAI |
| Family | DeepSeek | Claude | GPT |
| Release date | 2025-08-21 | 2026-04-16 | 2025-08-07 |
| Context window | 128,000 tokens | 1,000,000 tokens | 400,000 tokens |
| Parameters | 671B | — | — |
| Modality | text | text, vision | text, vision, audio |
| License | MIT | proprietary | proprietary |
| Source | open weights | proprietary | proprietary |
| Description | Large MoE open-weight model. Predecessor to DeepSeek-V4. | 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 flagship general-purpose model. Superseded by GPT-5.5 in April 2026. |
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