gemini-3.1-pro-preview vs glm-5 Benchmark Comparison

Direct benchmark comparison between gemini-3.1-pro-preview and glm-5 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	1492	$0.000002	78
glm-5	1456	$7.2e-7	20

*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 36 Elo points.