DeepSeek-V4.1-Flash-20261017 (Max) vs glm-5.3-max Benchmark Comparison

Direct benchmark comparison between DeepSeek-V4.1-Flash-20261017 (Max) and glm-5.3-max 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-20261017 (Max)	1670	$3e-7	215
glm-5.3-max	1479	$7.9e-8	128

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

Comparison Summary: DeepSeek-V4.1-Flash-20261017 (Max) is the more capable model in this pair, leading by 192 Elo points. Notably, both models are on the Pareto Frontier, representing a true trade-off between higher intelligence and lower cost.