Claude Fable 5.1 vs Grok 4.20

Claude Fable 5.1 against Grok 4.20
Claude Fable 5.1Grok 4.20
Coding index84.233.3
Benchmarks behind it Verified, 5 benchmarks Partial, 2 benchmarks
Output $/Mtok$50.00$2.50
Cost per solved taskNot computable$0.72
Context window1M2M