gpt-6-sol-max vs hy4-preview Benchmark Comparison

Direct benchmark comparison between gpt-6-sol-max and hy4-preview based on LMArena Elo and the latest 2026 API pricing.

Direct Technical & Pricing Comparison

Frontier Model	LMArena Elo	API Cost (1M)	Throughput
gpt-6-sol-max	1686	$0.000002	119
hy4-preview	1631	$8.34e-7	31

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

Comparison Summary: gpt-6-sol-max is the more capable model in this pair, leading by 55 Elo points. Specifically, hy4-preview is currently on the Pareto line, suggesting it offers better systemic value for its performance tier.