Claude Opus 4.8 vs GPT-5.6 Terra

Claude Opus 4.8 against GPT-5.6 Terra
Claude Opus 4.8GPT-5.6 Terra
Coding index65.063.9
Benchmarks behind it Verified, 6 benchmarks Verified, 6 benchmarks
Output $/Mtok$25.00$12.00
Cost per solved task$2.17$0.42
Context window1M1.05M