Claude Opus 4.8 vs Claude Sonnet 5.5
| Claude Opus 4.8 | Claude Sonnet 5.5 | |
|---|---|---|
| Coding index | 65.0 | 87.3 |
| Benchmarks behind it | Verified, 6 benchmarks | Verified, 5 benchmarks |
| Output $/Mtok | $25.00 | $10.00 |
| Cost per solved task | $2.17 | Not computable |
| Context window | 1M | 1M |