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Claude Haiku 4.5 vs Kimi K3

Claude Haiku 4.5 leads in 3 of 8 categories

Arena ELO

Claude Haiku 4.5

Cheaper

Kimi K3

Faster

Claude Haiku 4.5

Detailed Comparison

CategoryClaude Haiku 4.5Kimi K3
ProviderAnthropic Moonshot AI
Context Window200K WIN128K
Input Price ($/1M)$0.8 $0.6 WIN
Output Price ($/1M)$4 $2.5 WIN
Arena ELO1290 WINN/A
Codingunknown N/A
Reasoningunknown N/A
Speed (tokens/sec)~120 t/s WINN/A
Open SourceNo Yes

Frequently Asked Questions

Which is cheaper, Claude Haiku 4.5 or Kimi K3?

Kimi K3 is approximately 35% cheaper than Claude Haiku 4.5 per million tokens.

Which is better for coding, Claude Haiku 4.5 or Kimi K3?

Claude Haiku 4.5 scores unknown on coding benchmarks, while Kimi K3 scores N/A.

Which has a larger context window?

Claude Haiku 4.5 supports 200K context, while Kimi K3 supports 128K.

Is Claude Haiku 4.5 or Kimi K3 open source?

Claude Haiku 4.5 is proprietary. Kimi K3 is open source.

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