Claude 3 Haiku vs Kimi K2

Compare Claude 3 Haiku by Anthropic against Kimi K2 by Moonshot AI, tested across 34 shared challenges. Updated April 2026.

Which is better, Claude 3 Haiku or Kimi K2?

Claude 3 Haiku and Kimi K2 are both competitive models. Claude 3 Haiku costs $0.25/M input tokens vs $0.57/M for Kimi K2. Compare their real outputs side by side below.

Key Differences Between Claude 3 Haiku and Kimi K2

Claude 3 Haiku is made by anthropic while Kimi K2 is from moonshotai. On pricing, Claude 3 Haiku costs $0.25/M input tokens vs $0.57/M for Kimi K2.

Our Verdict
Kimi K2
Kimi K2
Claude 3 Haiku
Claude 3 HaikuRunner-up

No community votes yet. On paper, Kimi K2 has the edge — bigger model tier, newer.

Too close to call
Writing DNA

Style Comparison

Similarity
87%

Kimi K2 uses 68.5x more emoji

Claude 3 Haiku
Kimi K2
50%Vocabulary63%
22wSentence Length19w
0.71Hedging0.35
0.3Bold4.2
5.9Lists3.6
0.00Emoji0.68
0.00Headings0.61
0.08Transitions0.06
Based on 13 + 22 text responses
vs

Ask them anything yourself

Claude 3 HaikuKimi K2

279 AI models invented the same fake scientist.

We read every word. 250 models. 2.14 million words. This is what we found.

AI Hallucination Index 2026
Free preview13 of 58 slides
FAQ

Common questions