MoonshotAI: Kimi K2 0905 vs Grok 3

Compare MoonshotAI: Kimi K2 0905 by Moonshot AI against Grok 3 by xAI, context windows of 262K vs 128K, tested across 53 shared challenges. Updated April 2026.

Which is better, MoonshotAI: Kimi K2 0905 or Grok 3?

MoonshotAI: Kimi K2 0905 and Grok 3 are both competitive models. Context windows: 262K vs 128K tokens. Compare their real outputs side by side below.

Key Differences Between MoonshotAI: Kimi K2 0905 and Grok 3

MoonshotAI: Kimi K2 0905 is made by moonshotai while Grok 3 is from xai. MoonshotAI: Kimi K2 0905 has a 262K token context window compared to Grok 3's 128K.

Our Verdict
MoonshotAI: Kimi K2 0905
MoonshotAI: Kimi K2 0905
Grok 3
Grok 3

No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.

Too close to call
Writing DNA

Style Comparison

Similarity
89%

Grok 3 uses 5.5x more hedging

MoonshotAI: Kimi K2 0905
Grok 3
62%Vocabulary49%
19wSentence Length18w
0.17Hedging0.94
3.3Bold2.5
3.4Lists3.0
0.15Emoji0.04
0.83Headings0.65
0.06Transitions0.08
Based on 22 + 17 text responses
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MoonshotAI: Kimi K2 0905Grok 3

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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