deepseek-v4.1-flash-max vs gemini-3.1-pro-preview Benchmark Comparison

Direct benchmark comparison between deepseek-v4.1-flash-max and gemini-3.1-pro-preview based on LMArena Elo and the latest 2026 API pricing.

Direct Technical & Pricing Comparison

Frontier Model	LMArena Elo	API Cost (1M)	Throughput
deepseek-v4.1-flash-max	1614	$1.5e-7	85
gemini-3.1-pro-preview	1487	$0.000002	3

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

Comparison Summary: deepseek-v4.1-flash-max is the more capable model in this pair, leading by 127 Elo points. Specifically, deepseek-v4.1-flash-max is currently on the Pareto line, suggesting it offers better systemic value for its performance tier.