deepseek-v4.1-flash-max vs gpt-5.4-high Benchmark Comparison

Direct benchmark comparison between deepseek-v4.1-flash-max and gpt-5.4-high 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
gpt-5.4-high	1476	$0.0000025	55

*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 138 Elo points. Specifically, deepseek-v4.1-flash-max is currently on the Pareto line, suggesting it offers better systemic value for its performance tier.