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 Claude 4.6 SonnetAnthropic |  Qwen3.6-27BAlibaba |  Grok 4xAI |  o3OpenAI | |
|---|---|---|---|---|
| Vendor | Anthropic | Alibaba | xAI | OpenAI |
| Family | Claude | Qwen | Grok | o-series |
| Release date | — | 2026-04-22 | 2025-07-09 | 2025-04-16 |
| Context window | 200,000 tokens | 262,144 tokens | 256,000 tokens | 200,000 tokens |
| Parameters | — | 27B (dense) | — | — |
| Modality | text, vision | text, vision, video | text | text, vision |
| License | proprietary | Apache-2.0 | proprietary | proprietary |
| Source | proprietary | open weights | proprietary | proprietary |
| Description | — | 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. | — | Reasoning-focused model in the o-series. |
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