Claude Opus 5.5 vs Grok 4.6

Claude Opus 5.5 against Grok 4.6
Claude Opus 5.5Grok 4.6
Coding index88.865.7
Benchmarks behind it Verified, 5 benchmarks Verified, 6 benchmarks
Output $/Mtok$20.00$6.00
Cost per solved taskNot computable$0.82
Context window1M500K