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 Claude 4.6 SonnetAnthropic | Claude 4.7 Opus Anthropic |  Qwen3 235BAlibaba | |
|---|---|---|---|
| Vendor | Anthropic | Anthropic | Alibaba |
| Family | Claude | Claude | Qwen |
| Release date | 2026-02-17 | 2026-04-16 | 2025-04-29 |
| Context window | 1,000,000 tokens | 1,000,000 tokens | 128,000 tokens |
| Parameters | — | — | 235B |
| Modality | text, vision | text, vision | text |
| License | proprietary | proprietary | Apache-2.0 |
| Source | proprietary | proprietary | open weights |
| Description | Anthropic's mid-tier flagship — released 12 days after Opus 4.6 and matching most of its capabilities at ~40% the API cost ($3/$15 per 1M tokens). 1M-token context. | Anthropic's previous Opus flagship — superseded by Opus 4.8 on May 28, 2026 (42-day cycle). 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. |
| Links | |||
| Benchmarks | |||
| MMLU-Pro | 85.4% | 88.2% | — |
| GPQA-D | 85.8% | 90.1% | — |
| HumanEval | 95.9% | 97.4% | — |
| Aider | 83.6% | 91.2% | — |
| AIME-25 | 87.4% | 93.5% | — |
| LiveCB | 73.8% | 80.2% | — |
| MMMU | — | 79.0% | — |
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