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. Updated May 2026.
Which is better, Mistral Devstral Medium or OpenAI o4-mini?
Mistral Devstral Medium and OpenAI o4-mini are both competitive models. Mistral Devstral Medium costs $0.4/M input tokens vs $1.1/M for OpenAI o4-mini. Compare their real outputs side by side below.
Key Differences Between Mistral Devstral Medium and OpenAI o4-mini
Mistral Devstral Medium is made by mistral while OpenAI o4-mini is from openai. On pricing, Mistral Devstral Medium costs $0.4/M input tokens vs $1.1/M for OpenAI o4-mini.
API pricing
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
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
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
FAQ
