Claude 4.6 Sonnet vs Claude 4.7 Opus
Direct spec comparison of Claude 4.6 Sonnet (from Anthropic) and Claude 4.7 Opus (from Anthropic). Want a 3- or 4-way comparison? Open the multi-model tool →
 Claude 4.6 SonnetAnthropic | Claude 4.7 Opus Anthropic | |
|---|---|---|
| Vendor | Anthropic | Anthropic |
| Family | Claude | Claude |
| Release date | 2026-02-17 | 2026-04-16 |
| Context window | 1,000,000 tokens | 1,000,000 tokens |
| Parameters | — | — |
| Modality | text, vision | text, vision |
| License | proprietary | proprietary |
| Source | proprietary | proprietary |
| 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 | Anthropic's previous Opus flagship — superseded by Opus 4.8 on May 28, 2026 (42-day cycle).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. |
| 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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