Claude Opus 4.8 vs Claude Sonnet 4.5

Claude Opus 4.8 against Claude Sonnet 4.5
Claude Opus 4.8Claude Sonnet 4.5
Coding index66.059.1
Benchmarks behind it Partial, 2 benchmarks Partial, 2 benchmarks
Output $/Mtok$25.00$15.00
Cost per solved task$2.17$1.16
Context window1M1M