Claude Opus 5 vs Claude Sonnet 5.5

Claude Opus 5 against Claude Sonnet 5.5
Claude Opus 5Claude Sonnet 5.5
Coding index83.087.3
Benchmarks behind it Verified, 6 benchmarks Verified, 5 benchmarks
Output $/Mtok$25.00$10.00
Cost per solved task$1.33Not computable
Context window1M1M