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OpenAI o4 Mini High vs Mistral Devstral Medium

Compare OpenAI o4 Mini High by OpenAI against Mistral Devstral Medium by Mistral AI, tested across 38 shared challenges. Updated March 2026.

Which is better, OpenAI o4 Mini High or Mistral Devstral Medium?

OpenAI o4 Mini High and Mistral Devstral Medium are both competitive models. OpenAI o4 Mini High costs $1.1/M input tokens vs $0.4/M for Mistral Devstral Medium. Compare their real outputs side by side below.

Key Differences Between OpenAI o4 Mini High and Mistral Devstral Medium

OpenAI o4 Mini High is made by openai while Mistral Devstral Medium is from mistral. On pricing, OpenAI o4 Mini High costs $1.1/M input tokens vs $0.4/M for Mistral Devstral Medium.

Our Verdict
OpenAI o4 Mini High
OpenAI o4 Mini High
Mistral Devstral Medium
Mistral Devstral Medium

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
76%

Mistral Devstral Medium uses 453.5x more bold

OpenAI o4 Mini High
Mistral Devstral Medium
70%Vocabulary50%
18wSentence Length17w
0.33Hedging0.56
0.0Bold4.5
1.3Lists5.3
0.02Emoji0.00
0.00Headings0.19
0.04Transitions0.32
Based on 14 + 21 text responses
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