Head to head

Kimi K3 vs Claude Sonnet 4.5

On a blended workload of one million input tokens and three million output tokens, Claude Sonnet 4.5 is line-ball with Kimi K3.

Kimi K3Claude Sonnet 4.5
Provider Together AI Anthropic
Input / MTok $3 $3
Output / MTok $15 $15
Cache read / MTok $0.3
Context window 1,000,000 200,000
Blended 1M in + 3M out $48.00 $48.00
Status ga ga

Kimi K3 detail   Claude Sonnet 4.5 detail