Claude Opus 4.5 vs Grok 4.20

Claude Opus 4.5 against Grok 4.20
Claude Opus 4.5Grok 4.20
Coding index44.033.3
Benchmarks behind it Verified, 3 benchmarks Partial, 2 benchmarks
Output $/Mtok$25.00$2.50
Cost per solved task$1.37$0.72
Context window200K2M