Claude Opus 4.7 (High) vs DeepSeek-V4.1-Flash-20260910 (Max) Benchmark Comparison

Direct benchmark comparison between Claude Opus 4.7 (High) and DeepSeek-V4.1-Flash-20260910 (Max) based on LMArena Elo and the latest 2026 API pricing.

Direct Technical & Pricing Comparison

Frontier Model	LMArena Elo	API Cost (1M)	Throughput
Claude Opus 4.7 (High)	1501	$0.000005	50
DeepSeek-V4.1-Flash-20260910 (Max)	1476	$4.5e-8	199.5

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

Comparison Summary: These models are highly competitive, with a negligible Elo gap of only 25 points. The choice between them should be driven by specific API features or provider preference. However, neither model is currently Pareto-optimal. Developers looking for peak efficiency should investigate Kimi K3.1 Pro (Max), which offers a superior benchmark-to-price ratio.