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 o3OpenAI |  DeepSeek-V3.1DeepSeek |  Qwen3.6-27BAlibaba |  Claude 4.6 SonnetAnthropic | |
|---|---|---|---|---|
| Vendor | OpenAI | DeepSeek | Alibaba | Anthropic |
| Family | o-series | DeepSeek | Qwen | Claude |
| Release date | 2025-04-16 | 2025-08-21 | 2026-04-22 | — |
| Context window | 200,000 tokens | 128,000 tokens | 262,144 tokens | 200,000 tokens |
| Parameters | — | 671B | 27B (dense) | — |
| Modality | text, vision | text | text, vision, video | text, vision |
| License | proprietary | MIT | Apache-2.0 | proprietary |
| Source | proprietary | open weights | open weights | proprietary |
| Description | Reasoning-focused model in the o-series. | Large MoE open-weight model. Predecessor to DeepSeek-V4. | 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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Mistral Large 2maxMax 4 models. Remove one to add another.