Claude Opus 4.8 vs Claude Opus 5.5

Claude Opus 4.8 against Claude Opus 5.5
Claude Opus 4.8Claude Opus 5.5
Coding index65.088.8
Benchmarks behind it Verified, 6 benchmarks Verified, 5 benchmarks
Output $/Mtok$25.00$20.00
Cost per solved task$2.17Not computable
Context window1M1M