MoonshotAI: Kimi K2 0905 vs Kimi K2 Thinking

Compare MoonshotAI: Kimi K2 0905 and Kimi K2 Thinking, both from Moonshot AI, in 2 community votes, moonshotai: kimi k2 0905 and kimi k2 thinking are closely matched, context windows of 262K vs 262K, tested across 54 shared challenges. Updated April 2026.

Which is better, MoonshotAI: Kimi K2 0905 or Kimi K2 Thinking?

MoonshotAI: Kimi K2 0905 and Kimi K2 Thinking are closely matched based on 2 community votes. MoonshotAI: Kimi K2 0905 costs $0.6/M input tokens vs $0.6/M for Kimi K2 Thinking. Context windows: 262K vs 262K tokens. Compare their real outputs side by side below.

Key Differences Between MoonshotAI: Kimi K2 0905 and Kimi K2 Thinking

MoonshotAI: Kimi K2 0905 is made by moonshotai while Kimi K2 Thinking is from moonshotai. MoonshotAI: Kimi K2 0905 has a 262K token context window compared to Kimi K2 Thinking's 262K. On pricing, MoonshotAI: Kimi K2 0905 costs $0.6/M input tokens vs $0.6/M for Kimi K2 Thinking. In community voting, In 2 community votes, MoonshotAI: Kimi K2 0905 and Kimi K2 Thinking are closely matched.

In 2 community votes, MoonshotAI: Kimi K2 0905 and Kimi K2 Thinking are closely matched. Based on blind community voting from the Rival open dataset of 2+ human preference judgments for this pair.

Our Verdict
Kimi K2 Thinking
Kimi K2 ThinkingWinner
MoonshotAI: Kimi K2 0905
MoonshotAI: Kimi K2 0905Runner-up

Votes are tied. Kimi K2 Thinking is newer and likely incorporates more recent improvements.

Too close to call
Writing DNA

Style Comparison

Similarity
99%

MoonshotAI: Kimi K2 0905 uses 14.6x more emoji

MoonshotAI: Kimi K2 0905
Kimi K2 Thinking
62%Vocabulary57%
19wSentence Length26w
0.17Hedging0.36
3.3Bold5.8
3.4Lists6.0
0.15Emoji0.00
0.83Headings0.56
0.06Transitions0.06
Based on 22 + 14 text responses
vs

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MoonshotAI: Kimi K2 0905Kimi K2 Thinking

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
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