Claude Opus 5.5 vs Claude Sonnet 5
| Claude Opus 5.5 | Claude Sonnet 5 | |
|---|---|---|
| Coding index | 88.8 | 57.7 |
| Benchmarks behind it | Verified, 5 benchmarks | Verified, 6 benchmarks |
| Output $/Mtok | $20.00 | $10.00 |
| Cost per solved task | Not computable | $1.87 |
| Context window | 1M | 1M |
| Claude Opus 5.5 | Claude Sonnet 5 | |
|---|---|---|
| Coding index | 88.8 | 57.7 |
| Benchmarks behind it | Verified, 5 benchmarks | Verified, 6 benchmarks |
| Output $/Mtok | $20.00 | $10.00 |
| Cost per solved task | Not computable | $1.87 |
| Context window | 1M | 1M |