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 DeepSeek-V3.1DeepSeek |  Claude 4.7 OpusAnthropic |  Grok 4xAI | DeepSeek-V4-Flash DeepSeek | |
|---|---|---|---|---|
| Vendor | DeepSeek | Anthropic | xAI | DeepSeek |
| Family | DeepSeek | Claude | Grok | DeepSeek |
| Release date | 2025-08-21 | 2026-04-16 | 2025-07-09 | 2026-04-22 |
| Context window | 128,000 tokens | 1,000,000 tokens | 256,000 tokens | 1,000,000 tokens |
| Parameters | 671B | — | — | 284B (13B active) |
| Modality | text | text, vision | text | text |
| License | MIT | proprietary | proprietary | MIT |
| Source | open weights | proprietary | proprietary | open weights |
| 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. | — | Smaller, faster sibling to DeepSeek-V4-Pro. Same 1M context window with a much lighter 284B / 13B-active MoE. |
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Mistral Large 2maxMax 4 models. Remove one to add another.