Mistral Devstral Medium
Nothing here. The model returned empty. We stared at it for a while.
Mistral Devstral Medium vs OpenAI o3
Compare Mistral Devstral Medium by Mistral AI against OpenAI o3 by OpenAI, tested across 54 shared challenges. Updated April 2026.
Which is better, Mistral Devstral Medium or OpenAI o3?
Mistral Devstral Medium and OpenAI o3 are both competitive models. Mistral Devstral Medium costs $0.4/M input tokens vs $10/M for OpenAI o3. Compare their real outputs side by side below.
Key Differences Between Mistral Devstral Medium and OpenAI o3
Mistral Devstral Medium is made by mistral while OpenAI o3 is from openai. On pricing, Mistral Devstral Medium costs $0.4/M input tokens vs $10/M for OpenAI o3.
Our Verdict
OpenAI o3
Mistral Devstral MediumRunner-up
No community votes yet. On paper, OpenAI o3 has the edge — bigger model tier, major provider backing.
Mistral Devstral Medium is 20x cheaper per token — worth considering if cost matters.
Too close to call
Writing DNA
Style Comparison
Similarity
100%
Mistral Devstral Medium uses 6.5x more bold
Mistral Devstral Medium
OpenAI o3
50%Vocabulary68%
17wSentence Length14w
0.56Hedging0.26
4.5Bold0.7
5.3Lists3.0
0.00Emoji0.00
0.19Headings0.38
0.32Transitions0.12
Based on 21 + 16 text responses
vsAsk them anything yourself
279 AI models invented the same fake scientist.
We read every word. 250 models. 2.14 million words. This is what we found.
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