Claude Fable 5 vs Grok 4.20

Claude Fable 5 against Grok 4.20
Claude Fable 5Grok 4.20
Coding index79.333.3
Benchmarks behind it Verified, 6 benchmarks Partial, 2 benchmarks
Output $/Mtok$50.00$2.50
Cost per solved task$2.16$0.72
Context window1M2M