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