Mistral Devstral Medium
Nothing here. The model returned empty. We stared at it for a while.
Mistral Devstral Medium vs OpenAI o4-mini
Compare Mistral Devstral Medium by Mistral AI against OpenAI o4-mini by OpenAI, in 1 community votes, openai o4-mini wins 100% of head-to-head duels, tested across 35 shared challenges. Updated April 2026.
Which is better, Mistral Devstral Medium or OpenAI o4-mini?
OpenAI o4-mini is the better choice overall, winning 100% of 1 blind community votes on Rival. 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. In community voting, In 1 community votes, OpenAI o4-mini wins 100% of head-to-head duels.
In 1 community votes, OpenAI o4-mini wins 100% of head-to-head duels. Based on blind community voting from the Rival open dataset of 1+ human preference judgments for this pair.
Our Verdict
OpenAI o4-miniWinner
Mistral Devstral MediumRunner-up
Pick OpenAI o4-mini. In 1 blind votes, OpenAI o4-mini wins 100% of the time. That's not luck.
Clear winner
Writing DNA
Style Comparison
Similarity
98%
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
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