hy4-preview vs glm-5.3-flash Benchmark Comparison

Direct benchmark comparison between hy4-preview and glm-5.3-flash based on LMArena Elo and the latest 2026 API pricing.

Direct Technical & Pricing Comparison

Frontier Model	LMArena Elo	API Cost (1M)	Throughput
hy4-preview	1631	$8.34e-7	30
glm-5.3-flash	1469	$7.5e-8	109

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

Comparison Summary: hy4-preview is the more capable model in this pair, leading by 162 Elo points. Notably, both models are on the Pareto Frontier, representing a true trade-off between higher intelligence and lower cost.