Claude Opus 5.5 vs Grok 4.5

Claude Opus 5.5 against Grok 4.5
Claude Opus 5.5Grok 4.5
Coding index92.275.5
Benchmarks behind it Partial, 2 benchmarks Partial, 2 benchmarks
Output $/Mtok$20.00$6.00
Cost per solved taskNot computable$0.62
Context window1M500K