GPT-6.1 Terra vs Grok 4.7

GPT-6.1 Terra against Grok 4.7
GPT-6.1 TerraGrok 4.7
Coding index77.466.7
Benchmarks behind it Verified, 4 benchmarks Verified, 5 benchmarks
Output $/Mtok$5.00$6.00
Cost per solved taskNot computableNot computable
Context window1.05M500K