Mistral Large 3 2512 vs o1

Compare Mistral Large 3 2512 by Mistral AI against o1 by OpenAI, tested across 54 shared challenges. Updated April 2026.

Which is better, Mistral Large 3 2512 or o1?

Mistral Large 3 2512 and o1 are both competitive models. Compare their real outputs side by side below.

Key Differences Between Mistral Large 3 2512 and o1

Mistral Large 3 2512 is made by mistral while o1 is from openai.

Our Verdict
Mistral Large 3 2512
Mistral Large 3 2512
o1
o1Runner-up

No community votes yet. On paper, Mistral Large 3 2512 has the edge — bigger model tier, newer.

Too close to call
Writing DNA

Style Comparison

Similarity
94%

Mistral Large 3 2512 uses 49.8x more emoji

Mistral Large 3 2512
o1
50%Vocabulary64%
20wSentence Length16w
0.48Hedging0.76
11.6Bold5.0
5.7Lists2.6
0.50Emoji0.00
1.18Headings0.44
0.06Transitions0.40
Based on 24 + 13 text responses
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Ask them anything yourself

Mistral Large 3 2512o1

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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