hy4-preview vs mimo-v2.6-pro Benchmark Comparison

Direct benchmark comparison between hy4-preview and mimo-v2.6-pro based on LMArena Elo and the latest 2026 API pricing.

Direct Technical & Pricing Comparison

Frontier Model	LMArena Elo	API Cost (1M)	Throughput
hy4-preview	1633	$8.34e-7	23
mimo-v2.6-pro	1480	$4.35e-7	36

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

Comparison Summary: hy4-preview is the more capable model in this pair, leading by 153 Elo points. Notably, both models are on the Pareto Frontier, representing a true trade-off between higher intelligence and lower cost.