gpt-5.2-chat-latest-20260210 vs qwen3.5-397b-a17b Benchmark Comparison

Direct benchmark comparison between gpt-5.2-chat-latest-20260210 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
gpt-5.2-chat-latest-20260210	1477	$0.00000175	37
qwen3.5-397b-a17b	1447	$3.9e-7	47

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

Comparison Summary: gpt-5.2-chat-latest-20260210 is the more capable model in this pair, leading by 30 Elo points. Specifically, gpt-5.2-chat-latest-20260210 is currently on the Pareto line, suggesting it offers better systemic value for its performance tier.