Claude Fable 5 vs Grok 4.3

Claude Fable 5 against Grok 4.3
Claude Fable 5Grok 4.3
Coding index79.337.4
Benchmarks behind it Verified, 6 benchmarks Verified, 3 benchmarks
Output $/Mtok$50.00$2.50
Cost per solved task$2.16$0.31
Context window1M1M