Claude Opus 4.5 vs o3

Claude Opus 4.5 against o3
Claude Opus 4.5o3
Coding index66.870.7
Benchmarks behind it Partial, 2 benchmarks Partial, 2 benchmarks
Output $/Mtok$25.00$8.00
Cost per solved task$1.37$0.571
Context window200K200K