deepseek-v4.1-flash-max vs muse-spark-1.2 (xHigh) Benchmark Comparison

Direct benchmark comparison between deepseek-v4.1-flash-max and muse-spark-1.2 (xHigh) 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
muse-spark-1.2 (xHigh)	1500	$0.00000125	118

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