Z.ai: GLM 5.1 vs Mistral Large 3 2512

Compare Z.ai: GLM 5.1 by Z-ai against Mistral Large 3 2512 by Mistral AI, tested across 53 shared challenges. Updated April 2026.

Which is better, Z.ai: GLM 5.1 or Mistral Large 3 2512?

Z.ai: GLM 5.1 and Mistral Large 3 2512 are both competitive models. Compare their real outputs side by side below.

Key Differences Between Z.ai: GLM 5.1 and Mistral Large 3 2512

Z.ai: GLM 5.1 is made by z-ai while Mistral Large 3 2512 is from mistral.

Our Verdict
Z.ai: GLM 5.1
Z.ai: GLM 5.1
Mistral Large 3 2512
Mistral Large 3 2512

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
99%

Mistral Large 3 2512 uses 49.8x more emoji

Z.ai: GLM 5.1
Mistral Large 3 2512
54%Vocabulary50%
18wSentence Length20w
0.31Hedging0.48
3.6Bold11.6
2.6Lists5.7
0.00Emoji0.50
0.43Headings1.18
0.11Transitions0.06
Based on 27 + 24 text responses
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Z.ai: GLM 5.1Mistral Large 3 2512

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
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