Claude Opus 5 vs Grok 4.5

Claude Opus 5 against Grok 4.5
Claude Opus 5Grok 4.5
Coding index83.058.6
Benchmarks behind it Verified, 6 benchmarks Verified, 6 benchmarks
Output $/Mtok$25.00$6.00
Cost per solved task$1.33$0.62
Context window1M500K