GPT-6 Sol vs Grok 4.20

GPT-6 Sol against Grok 4.20
GPT-6 SolGrok 4.20
Coding index76.033.3
Benchmarks behind it Verified, 5 benchmarks Partial, 2 benchmarks
Output $/Mtok$10.00$2.50
Cost per solved taskNot computable$0.72
Context window1.05M2M