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 Claude 4.7 OpusAnthropic |  Qwen3 235BAlibaba | Qwen3.6-27B Alibaba |  GPT-5.5OpenAI | |
|---|---|---|---|---|
| Vendor | Anthropic | Alibaba | Alibaba | OpenAI |
| Family | Claude | Qwen | Qwen | GPT |
| Release date | 2026-04-16 | 2025-04-29 | 2026-04-22 | 2026-04-23 |
| Context window | 1,000,000 tokens | 128,000 tokens | 262,144 tokens | 400,000 tokens |
| Parameters | — | 235B | 27B (dense) | — |
| Modality | text, vision | text | text, vision, video | text, vision, audio |
| License | proprietary | Apache-2.0 | Apache-2.0 | 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. | 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. | OpenAI's smartest and most intuitive model — successor to GPT-5, with major coding, research, and document workflow gains. GPT-5.5 Pro variant also available for heavier reasoning. |
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