Claude Opus 4.5 vs GPT-5.4

Claude Opus 4.5 against GPT-5.4
Claude Opus 4.5GPT-5.4
Coding index44.064.4
Benchmarks behind it Verified, 3 benchmarks Verified, 3 benchmarks
Output $/Mtok$25.00$15.00
Cost per solved task$1.37$1.02
Context window200K1.05M