Grok 3 vs Mistral Medium 3
Compare Grok 3 by xAI against Mistral Medium 3 by Mistral AI, context windows of 128K vs 131K, tested across 53 shared challenges. Updated May 2026.
Which is better, Grok 3 or Mistral Medium 3?
Grok 3 and Mistral Medium 3 are both competitive models. Context windows: 128K vs 131K tokens. Compare their real outputs side by side below.
Key Differences Between Grok 3 and Mistral Medium 3
Grok 3 is made by xai while Mistral Medium 3 is from mistral. Grok 3 has a 128K token context window compared to Mistral Medium 3's 131K.
API pricing
Per 1M tokens
Grok 3
Input
—
Output
—
Mistral Medium 3
Input
$0.40
Output
$2.00
Our Verdict
Grok 3
Mistral Medium 3Runner-up
No community votes yet. On paper, Grok 3 has the edge — bigger model tier, major provider backing.
Too close to call
Writing DNA
Style Comparison
Similarity
50%
Mistral Medium 3 uses 3.5x more bold
Grok 3
Mistral Medium 3
49%Vocabulary57%
18wSentence Length17w
0.94Hedging0.73
2.5Bold8.6
3.0Lists6.5
0.04Emoji0.06
0.65Headings1.18
0.08Transitions0.15
Based on 17 + 15 text responses
FAQ
