GPT-5.4 Mini vs Grok 4.7

GPT-5.4 Mini against Grok 4.7
GPT-5.4 MiniGrok 4.7
Coding index35.866.7
Benchmarks behind it Verified, 5 benchmarks Verified, 5 benchmarks
Output $/Mtok$4.50$6.00
Cost per solved task$0.70Not computable
Context window400K500K