GLM 5.1 vs Grok 4.20

GLM 5.1 against Grok 4.20
GLM 5.1Grok 4.20
Coding index49.233.3
Benchmarks behind it Verified, 3 benchmarks Partial, 2 benchmarks
Output $/Mtok$4.40$2.50
Cost per solved task$0.60$0.72
Context window205K2M