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 DeepSeek-V3.1DeepSeek | DeepSeek-R1 DeepSeek |  Claude 4.5 HaikuAnthropic | DeepSeek-V4-Pro DeepSeek | |
|---|---|---|---|---|
| Vendor | DeepSeek | DeepSeek | Anthropic | DeepSeek |
| Family | DeepSeek | DeepSeek | Claude | DeepSeek |
| Release date | 2025-08-21 | 2025-01-20 | 2025-10-01 | 2026-04-22 |
| Context window | 128,000 tokens | 128,000 tokens | 200,000 tokens | 1,000,000 tokens |
| Parameters | 671B | 671B | — | 1.6T (49B active) |
| Modality | text | text | text, vision | text |
| License | MIT | MIT | proprietary | MIT |
| Source | open weights | open weights | proprietary | open weights |
| Description | Large MoE open-weight model. Predecessor to DeepSeek-V4. | Reasoning-focused open-weight model. | Fast, cost-effective Claude model. | DeepSeek's flagship open-weight MoE. 1.6T parameters with 49B activated, 1M-token context, and a hybrid attention scheme (CSA + HCA) that delivers long-context inference at ~27% of V3.2's FLOPs. |
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Mistral Large 2maxMax 4 models. Remove one to add another.