gemini-3.5-flash vs qwen3.5-397b-a17b Benchmark Comparison

Direct benchmark comparison between gemini-3.5-flash and qwen3.5-397b-a17b based on LMArena Elo and the latest 2026 API pricing.

Direct Technical & Pricing Comparison

Frontier Model	LMArena Elo	API Cost (1M)	Throughput
gemini-3.5-flash	1480	$0.0000015	118
qwen3.5-397b-a17b	1445	$3.9e-7	47

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

Comparison Summary: gemini-3.5-flash is the more capable model in this pair, leading by 35 Elo points. Specifically, gemini-3.5-flash is currently on the Pareto line, suggesting it offers better systemic value for its performance tier.