grok-4.20-beta-0309-reasoning vs glm-4.6

Direct benchmark comparison between grok-4.20-beta-0309-reasoning and glm-4.6 based on LMArena Elo and latest API pricing.

Direct Technical Comparison

Frontier Model	LMArena Elo	API Cost (1M)	Throughput
grok-4.20-beta-0309-reasoning	1481	$0.000002	108
glm-4.6	1426	$3.9e-7	17

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

Conclusion: For developers looking for higher intelligence, grok-4.20-beta-0309-reasoning currently leads with an Elo of 1481.