Claude Opus 4.6 vs Claude Sonnet 4.5

Claude Opus 4.6 against Claude Sonnet 4.5
Claude Opus 4.6Claude Sonnet 4.5
Coding index66.959.1
Benchmarks behind it Partial, 2 benchmarks Partial, 2 benchmarks
Output $/Mtok$25.00$15.00
Cost per solved task$1.56$1.16
Context window1M1M