GPT-5 Mini vs Grok 4.7

GPT-5 Mini against Grok 4.7
GPT-5 MiniGrok 4.7
Coding index34.266.7
Benchmarks behind it Partial, 2 benchmarks Verified, 5 benchmarks
Output $/Mtok$2.00$6.00
Cost per solved task$0.08Not computable
Context window400K500K