claude-opus-4-5-20251101 vs glm-5.1

Direct benchmark comparison between claude-opus-4-5-20251101 and glm-5.1 based on LMArena Elo and latest API pricing.

Direct Technical Comparison

Frontier Model	LMArena Elo	API Cost (1M)	Throughput
claude-opus-4-5-20251101	1468	$0.000005	41
glm-5.1	1467	$0.00000126	68

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

Conclusion: For developers looking for higher intelligence, claude-opus-4-5-20251101 currently leads with an Elo of 1468.