Claude 4.7 Opus vs DeepSeek-V3.1
Direct spec comparison of Claude 4.7 Opus (from Anthropic) and DeepSeek-V3.1 (from DeepSeek). Want a 3- or 4-way comparison? Open the multi-model tool →
 Claude 4.7 OpusAnthropic |  DeepSeek-V3.1DeepSeek | |
|---|---|---|
| Vendor | Anthropic | DeepSeek |
| Family | Claude | DeepSeek |
| Release date | 2026-04-16 | 2025-08-21 |
| Context window | 1,000,000 tokens | 128,000 tokens |
| Parameters | — | 671B |
| Modality | text, vision | text |
| License | proprietary | MIT |
| Source | proprietary | open weights |
| 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. | Large MoE open-weight model. Predecessor to DeepSeek-V4. |
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