Claude Sonnet 4.6 vs Grok 4.20

Claude Sonnet 4.6 against Grok 4.20
Claude Sonnet 4.6Grok 4.20
Coding index57.333.3
Benchmarks behind it Verified, 5 benchmarks Partial, 2 benchmarks
Output $/Mtok$15.00$2.50
Cost per solved task$1.68$0.72
Context window1M2M