claude-sonnet-4-6 vs kimi-k2-0905-preview

Direct benchmark comparison between claude-sonnet-4-6 and kimi-k2-0905-preview based on LMArena Elo and latest API pricing.

Direct Technical Comparison

Frontier Model	LMArena Elo	API Cost (1M)	Throughput
claude-sonnet-4-6	1462	$0.000003	49
kimi-k2-0905-preview	1418	$4e-7	23

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

Conclusion: For developers looking for higher intelligence, claude-sonnet-4-6 currently leads with an Elo of 1462.