Claude Opus 5.5 vs GPT-5.4 Mini

Claude Opus 5.5 against GPT-5.4 Mini
Claude Opus 5.5GPT-5.4 Mini
Coding index88.835.8
Benchmarks behind it Verified, 5 benchmarks Verified, 5 benchmarks
Output $/Mtok$20.00$4.50
Cost per solved taskNot computable$0.70
Context window1M400K