Claude Opus 4.6 vs GPT-5.5

Claude Opus 4.6 against GPT-5.5
Claude Opus 4.6GPT-5.5
Coding index57.271.3
Benchmarks behind it Verified, 4 benchmarks Verified, 5 benchmarks
Output $/Mtok$25.00$30.00
Cost per solved task$1.56$1.65
Context window1M1.05M