Mistral Devstral Medium vs Gemini 3 Flash Preview

Compare Mistral Devstral Medium by Mistral AI against Gemini 3 Flash Preview by Google AI, tested across 55 shared challenges. Updated April 2026.

Which is better, Mistral Devstral Medium or Gemini 3 Flash Preview?

Mistral Devstral Medium and Gemini 3 Flash Preview are both competitive models. Mistral Devstral Medium costs $0.4/M input tokens vs $0.5/M for Gemini 3 Flash Preview. Compare their real outputs side by side below.

Key Differences Between Mistral Devstral Medium and Gemini 3 Flash Preview

Mistral Devstral Medium is made by mistral while Gemini 3 Flash Preview is from google. On pricing, Mistral Devstral Medium costs $0.4/M input tokens vs $0.5/M for Gemini 3 Flash Preview.

Our Verdict
Gemini 3 Flash Preview
Gemini 3 Flash Preview
Mistral Devstral Medium
Mistral Devstral MediumRunner-up

No community votes yet. On paper, Gemini 3 Flash Preview has the edge — bigger model tier, newer, bigger context window, major provider backing.

Slight edge
Writing DNA

Style Comparison

Similarity
96%

Gemini 3 Flash Preview uses 4.4x more headings

Mistral Devstral Medium
Gemini 3 Flash Preview
50%Vocabulary55%
17wSentence Length18w
0.56Hedging0.42
4.5Bold7.1
5.3Lists4.5
0.00Emoji0.00
0.19Headings0.84
0.32Transitions0.07
Based on 21 + 24 text responses
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Mistral Devstral MediumGemini 3 Flash Preview

279 AI models invented the same fake scientist.

We read every word. 250 models. 2.14 million words. This is what we found.

AI Hallucination Index 2026
Free preview13 of 58 slides
FAQ

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