xAI: Grok 4 vs Mistral Small 4
Compare xAI: Grok 4 by xAI against Mistral Small 4 by Mistral AI, context windows of 256K vs 262K, tested across 53 shared challenges.
Our Verdict
xAI: Grok 4
Mistral Small 4Runner-up
No community votes yet. On paper, xAI: Grok 4 has the edge — bigger model tier, major provider backing.
Mistral Small 4 is 25x 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 Small 4
Input
$0.15
20× cheaper
Output
$0.60
25× cheaper
Mistral Small 4 is cheaper on both — 20× input, 25× output
Writing DNA
Style Comparison
Similarity
56%
Mistral Small 4 uses 3.4x more bold
xAI: Grok 4
Mistral Small 4
53%Vocabulary50%
18wSentence Length18w
0.67Hedging0.58
2.7Bold9.0
2.7Lists5.6
0.07Emoji0.19
0.86Headings1.10
0.04Transitions0.12
Based on 21 + 23 text responses
Research
What we learned reading every model
FAQ
