Mistral Devstral Medium vs OpenAI o4-mini
Compare Mistral Devstral Medium by Mistral AI against OpenAI o4-mini by OpenAI, tested across 54 shared challenges.
Our Verdict
Mistral Devstral Medium
OpenAI o4-mini
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
Too close to call
API pricing
Cost per 1M tokens
Mistral Devstral Medium
Input
$0.40
2.8× cheaper
Output
$2.00
2.2× cheaper
OpenAI o4-mini
Input
$1.10
Output
$4.40
Mistral Devstral Medium is cheaper on both — 2.8× input, 2.2× output
Writing DNA
Style Comparison
Similarity
39%
Mistral Devstral Medium uses 453.5x more bold
Mistral Devstral Medium
OpenAI o4-mini
50%Vocabulary73%
17wSentence Length15w
0.56Hedging0.18
4.5Bold0.0
5.3Lists2.1
0.00Emoji0.00
0.19Headings0.00
0.32Transitions0.02
Based on 21 + 10 text responses
Research
What we learned reading every model
FAQ
