Claude Sonnet 4.5 vs GPT-4.1

Claude Sonnet 4.5 against GPT-4.1
Claude Sonnet 4.5GPT-4.1
Coding index59.146.5
Benchmarks behind it Partial, 2 benchmarks Partial, 2 benchmarks
Output $/Mtok$15.00$8.00
Cost per solved task$1.16$0.37
Context window1M1.05M