GPT-6.1 Terra vs Grok 4.3

GPT-6.1 Terra against Grok 4.3
GPT-6.1 TerraGrok 4.3
Coding index77.437.4
Benchmarks behind it Verified, 4 benchmarks Verified, 3 benchmarks
Output $/Mtok$5.00$2.50
Cost per solved taskNot computable$0.31
Context window1.05M1M