Claude Fable 5 vs GPT-5

Claude Fable 5 against GPT-5
Claude Fable 5GPT-5
Coding index79.338.8
Benchmarks behind it Verified, 6 benchmarks Verified, 3 benchmarks
Output $/Mtok$50.00$10.00
Cost per solved task$2.16$0.39
Context window1M400K