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 DeepSeek-R1DeepSeek |  Qwen3 235BAlibaba | Qwen3.6-27B Alibaba |  Claude 4.6 SonnetAnthropic | |
|---|---|---|---|---|
| Vendor | DeepSeek | Alibaba | Alibaba | Anthropic |
| Family | DeepSeek | Qwen | Qwen | Claude |
| Release date | 2025-01-20 | 2025-04-29 | 2026-04-22 | — |
| Context window | 128,000 tokens | 128,000 tokens | 262,144 tokens | 200,000 tokens |
| Parameters | 671B | 235B | 27B (dense) | — |
| Modality | text | text | text, vision, video | text, vision |
| License | MIT | Apache-2.0 | Apache-2.0 | proprietary |
| Source | open weights | open weights | open weights | proprietary |
| Description | Reasoning-focused open-weight model. | Predecessor to the Qwen3.6 family. | Alibaba's first dense open-weight in the 3.6 family. Strong agentic-coding scores (77.2 SWE-bench Verified, matching Claude 4.5 Opus on Terminal-Bench 2.0). Supports 201 languages and multimodal text/image/video input. | — |
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