grok-4.20-beta-0309-reasoning vs glm-4.7 Benchmark Comparison

Direct benchmark comparison between grok-4.20-beta-0309-reasoning and glm-4.7 based on LMArena Elo and the latest 2026 API pricing.

Direct Technical & Pricing Comparison

Frontier Model	LMArena Elo	API Cost (1M)	Throughput
grok-4.20-beta-0309-reasoning	1479	$0.000002	99
glm-4.7	1443	$3.9e-7	19

*These models represent the Pareto Frontier (optimal cost-to-performance).*

Comparison Summary: grok-4.20-beta-0309-reasoning is the more capable model in this pair, leading by 36 Elo points.