Claude Opus 4.6 vs Claude Sonnet 5.5
Claude Sonnet 5.5 wins 2 of 3 shared jobs.
Score by job
Scores run from 0 to 100 within each job. A gap under 3 points is too close to call. ~ marks an early read from too few benchmarks to rank. How scores work
At a glance
| Detail | Claude Opus 4.6 | Claude Sonnet 5.5 |
|---|---|---|
| Maker | Anthropic | Anthropic |
| Released | Feb 5, 2026 | Sep 28, 2026 |
| Weights | Closed | Closed |
| Price per 1M tokens | $5 in · $25 out | not listed |
| Overall rank | #12 | Not ranked yet |