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 Claude 4.7 OpusAnthropic |  DeepSeek-V3.1DeepSeek | DeepSeek-V4-Flash DeepSeek |  o3OpenAI | |
|---|---|---|---|---|
| Vendor | Anthropic | DeepSeek | DeepSeek | OpenAI |
| Family | Claude | DeepSeek | DeepSeek | o-series |
| Release date | 2026-04-16 | 2025-08-21 | 2026-04-22 | 2025-04-16 |
| Context window | 1,000,000 tokens | 128,000 tokens | 1,000,000 tokens | 200,000 tokens |
| Parameters | — | 671B | 284B (13B active) | — |
| Modality | text, vision | text | text | text, vision |
| License | proprietary | MIT | MIT | proprietary |
| Source | proprietary | open weights | open weights | proprietary |
| 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. | Smaller, faster sibling to DeepSeek-V4-Pro. Same 1M context window with a much lighter 284B / 13B-active MoE. | Reasoning-focused model in the o-series. |
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Mistral Large 2maxMax 4 models. Remove one to add another.