Claude Opus 4.8 vs GPT-5

Claude Opus 4.8 against GPT-5
Claude Opus 4.8GPT-5
Coding index65.038.8
Benchmarks behind it Verified, 6 benchmarks Verified, 3 benchmarks
Output $/Mtok$25.00$10.00
Cost per solved task$2.17$0.39
Context window1M400K