kimi-k2-0905-preview vs qwen3.5-397b-a17b

Direct benchmark comparison between kimi-k2-0905-preview and qwen3.5-397b-a17b based on LMArena Elo and latest API pricing.

Direct Technical Comparison

Frontier Model	LMArena Elo	API Cost (1M)	Throughput
kimi-k2-0905-preview	1418	$4e-7	23
qwen3.5-397b-a17b	1449	$3.9e-7	41

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

Conclusion: For developers looking for higher intelligence, qwen3.5-397b-a17b currently leads with an Elo of 1449.