Mistral Devstral Small 1.1 vs OpenAI o4-mini
Compare Mistral Devstral Small 1.1 by Mistral AI against OpenAI o4-mini by OpenAI, tested across 54 shared challenges.
Our Verdict
OpenAI o4-mini
Mistral Devstral Small 1.1Runner-up
No community votes yet. On paper, OpenAI o4-mini has the edge — bigger model tier, major provider backing.
Mistral Devstral Small 1.1 is 15x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
Mistral Devstral Small 1.1
Input
$0.10
11× cheaper
Output
$0.30
15× cheaper
OpenAI o4-mini
Input
$1.10
Output
$4.40
Mistral Devstral Small 1.1 is cheaper on both — 11× input, 15× output
Writing DNA
Style Comparison
Similarity
38%
Mistral Devstral Small 1.1 uses 429.8x more bold
Mistral Devstral Small 1.1
OpenAI o4-mini
50%Vocabulary73%
17wSentence Length15w
0.56Hedging0.18
4.3Bold0.0
5.7Lists2.1
0.00Emoji0.00
0.05Headings0.00
0.34Transitions0.02
Based on 21 + 10 text responses
Research
What we learned reading every model
FAQ
