gemini-3.1-pro-preview vs hy3 Benchmark Comparison

Direct benchmark comparison between gemini-3.1-pro-preview and hy3 based on LMArena Elo and the latest 2026 API pricing.

Direct Technical & Pricing Comparison

Frontier Model	LMArena Elo	API Cost (1M)	Throughput
gemini-3.1-pro-preview	1487	$0.000002	89
hy3	1453	$1.32e-7	74

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

Comparison Summary: gemini-3.1-pro-preview is the more capable model in this pair, leading by 34 Elo points. Specifically, hy3 is currently on the Pareto line, suggesting it offers better systemic value for its performance tier.