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DeepSeek | Alibaba | Anthropic | Anthropic | |
|---|---|---|---|---|
| Vendor | DeepSeek | Alibaba | Anthropic | Anthropic |
| Family | DeepSeek | Qwen | Claude | Claude |
| Release date | 2025-01-20 | 2025-04-29 | — | 2026-04-16 |
| Context window | 128,000 tokens | 128,000 tokens | 200,000 tokens | 1,000,000 tokens |
| Parameters | 671B | 235B | — | — |
| Modality | text | text | text, vision | text, vision |
| License | MIT | Apache-2.0 | proprietary | proprietary |
| Source | open weights | open weights | proprietary | proprietary |
| Description | Reasoning-focused open-weight model. | Predecessor to the Qwen3.6 family. | — | 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. |
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