xAI: Grok 4 vs Mistral Medium 3
Compare xAI: Grok 4 by xAI against Mistral Medium 3 by Mistral AI, context windows of 256K vs 131K, tested across 53 shared challenges.
Our Verdict
xAI: Grok 4
Mistral Medium 3Runner-up
No community votes yet. On paper, xAI: Grok 4 has the edge — newer, bigger context window, major provider backing.
Mistral Medium 3 is 7.5x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
xAI: Grok 4
Input
$3.00
Output
$15.00
Mistral Medium 3
Input
$0.40
7.5× cheaper
Output
$2.00
7.5× cheaper
Mistral Medium 3 is cheaper on both — 7.5× input, 7.5× output
Writing DNA
Style Comparison
Similarity
48%
Mistral Medium 3 uses 3.5x more transitions
xAI: Grok 4
Mistral Medium 3
53%Vocabulary57%
18wSentence Length17w
0.67Hedging0.73
2.7Bold8.6
2.7Lists6.5
0.07Emoji0.06
0.86Headings1.18
0.04Transitions0.15
Based on 21 + 15 text responses
Research
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