Claude Sonnet 4.6 vs GPT-5.2

Claude Sonnet 4.6 against GPT-5.2
Claude Sonnet 4.6GPT-5.2
Coding index57.355.9
Benchmarks behind it Verified, 5 benchmarks Verified, 3 benchmarks
Output $/Mtok$15.00$14.00
Cost per solved task$1.68$1.91
Context window1M400K