Mistral Large 2 vs o1

Compare Mistral Large 2 by Mistral AI against o1 by OpenAI, context windows of 128K vs 128K, tested across 18 shared challenges. Updated April 2026.

Which is better, Mistral Large 2 or o1?

Mistral Large 2 and o1 are both competitive models. Mistral Large 2 costs $8/M input tokens vs $15/M for o1. Context windows: 128K vs 128K tokens. Compare their real outputs side by side below.

Key Differences Between Mistral Large 2 and o1

Mistral Large 2 is made by mistral while o1 is from openai. Mistral Large 2 has a 128K token context window compared to o1's 128K. On pricing, Mistral Large 2 costs $8/M input tokens vs $15/M for o1.

Our Verdict
Mistral Large 2
Mistral Large 2
o1
o1

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
95%

Mistral Large 2 uses 79.6x more emoji

Mistral Large 2
o1
43%Vocabulary64%
21wSentence Length16w
0.39Hedging0.76
14.4Bold5.0
7.4Lists2.6
0.80Emoji0.00
1.41Headings0.44
0.01Transitions0.40
Based on 10 + 13 text responses
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Mistral Large 2o1

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Model Similarity Index

185x

price gap between models that write identically

178

models

12

clone pairs

32

dimensions

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AI Hallucination Index 2026
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