Mistral Devstral Medium vs Gemini 2.5 Pro (I/O Edition)

Compare Mistral Devstral Medium by Mistral AI against Gemini 2.5 Pro (I/O Edition) by Google AI, tested across 35 shared challenges. Updated April 2026.

Which is better, Mistral Devstral Medium or Gemini 2.5 Pro (I/O Edition)?

Mistral Devstral Medium and Gemini 2.5 Pro (I/O Edition) are both competitive models. Mistral Devstral Medium costs $0.4/M input tokens vs $1.25/M for Gemini 2.5 Pro (I/O Edition). Compare their real outputs side by side below.

Key Differences Between Mistral Devstral Medium and Gemini 2.5 Pro (I/O Edition)

Mistral Devstral Medium is made by mistral while Gemini 2.5 Pro (I/O Edition) is from google. On pricing, Mistral Devstral Medium costs $0.4/M input tokens vs $1.25/M for Gemini 2.5 Pro (I/O Edition).

Our Verdict
Gemini 2.5 Pro (I/O Edition)
Gemini 2.5 Pro (I/O Edition)
Mistral Devstral Medium
Mistral Devstral MediumRunner-up

No community votes yet. On paper, Gemini 2.5 Pro (I/O Edition) has the edge — bigger model tier, major provider backing.

Mistral Devstral Medium is 5.0x cheaper per token — worth considering if cost matters.

Too close to call
Writing DNA

Style Comparison

Similarity
99%

Mistral Devstral Medium uses 27.1x more transitions

Mistral Devstral Medium
Gemini 2.5 Pro (I/O Edition)
50%Vocabulary58%
17wSentence Length16w
0.56Hedging0.38
4.5Bold5.8
5.3Lists5.0
0.00Emoji0.00
0.19Headings0.63
0.32Transitions0.01
Based on 21 + 16 text responses
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Mistral Devstral MediumGemini 2.5 Pro (I/O Edition)

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