Claude Sonnet 5 vs GPT-5.5

Claude Sonnet 5 against GPT-5.5
Claude Sonnet 5GPT-5.5
Coding index57.771.3
Benchmarks behind it Verified, 6 benchmarks Verified, 5 benchmarks
Output $/Mtok$10.00$30.00
Cost per solved task$1.87$1.65
Context window1M1.05M