Grok 4.20 Beta vs Mistral Small 4
Compare Grok 4.20 Beta by xAI against Mistral Small 4 by Mistral AI, context windows of 2.0M vs 262K, tested across 53 shared challenges.
Our Verdict
Grok 4.20 Beta
Mistral Small 4Runner-up
No community votes yet. On paper, Grok 4.20 Beta has the edge — bigger model tier, bigger context window, major provider backing.
Mistral Small 4 is 10x cheaper per token — worth considering if cost matters.
Slight edge
API pricing
Cost per 1M tokens
Grok 4.20 Beta
Input
$2.00
Output
$6.00
Mistral Small 4
Input
$0.15
13× cheaper
Output
$0.60
10× cheaper
Mistral Small 4 is cheaper on both — 13× input, 10× output
Writing DNA
Style Comparison
Similarity
38%
Mistral Small 4 uses 19.0x more emoji
Grok 4.20 Beta
Mistral Small 4
57%Vocabulary50%
20wSentence Length18w
0.35Hedging0.58
4.2Bold9.0
3.7Lists5.6
0.00Emoji0.19
0.62Headings1.10
0.14Transitions0.12
Based on 23 + 23 text responses
Research
What we learned reading every model
FAQ
