Claude Fable 5.2 vs GPT-5.5

Claude Fable 5.2 against GPT-5.5
Claude Fable 5.2GPT-5.5
Coding index87.867.9
Benchmarks behind it Verified, 4 benchmarks Verified, 4 benchmarks
Output $/Mtok$40.00$30.00
Cost per solved taskNot computable$1.65
Context window1M1.05M