Claude Opus 4.5 vs GPT-6 Astra

Claude Opus 4.5 against GPT-6 Astra
Claude Opus 4.5GPT-6 Astra
Coding index44.085.1
Benchmarks behind it Verified, 3 benchmarks Verified, 5 benchmarks
Output $/Mtok$25.00$50.00
Cost per solved task$1.37Not computable
Context window200K1.05M