Grok 3 vs Kimi K2 Thinking
Compare Grok 3 by xAI against Kimi K2 Thinking by Moonshot AI, context windows of 128K vs 262K, tested across 52 shared challenges. Updated May 2026.
Which is better, Grok 3 or Kimi K2 Thinking?
Grok 3 and Kimi K2 Thinking are both competitive models. Context windows: 128K vs 262K tokens. Compare their real outputs side by side below.
Key Differences Between Grok 3 and Kimi K2 Thinking
Grok 3 is made by xai while Kimi K2 Thinking is from moonshotai. Grok 3 has a 128K token context window compared to Kimi K2 Thinking's 262K.
API pricing
Per 1M tokens
Grok 3
Input
—
Output
—
Kimi K2 Thinking
Input
$0.60
Output
$2.50
Our Verdict
Grok 3
Kimi K2 Thinking
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
47%
Grok 3 uses 3.9x more emoji
Grok 3
Kimi K2 Thinking
49%Vocabulary57%
18wSentence Length26w
0.94Hedging0.36
2.5Bold5.8
3.0Lists6.0
0.04Emoji0.00
0.65Headings0.56
0.08Transitions0.06
Based on 17 + 14 text responses
FAQ
