Z.AI: GLM 4.7 vs Claude Sonnet 4

Compare Z.AI: GLM 4.7 by OpenRouter against Claude Sonnet 4 by Anthropic, tested across 34 shared challenges. Updated April 2026.

Which is better, Z.AI: GLM 4.7 or Claude Sonnet 4?

Z.AI: GLM 4.7 and Claude Sonnet 4 are both competitive models. Compare their real outputs side by side below.

Key Differences Between Z.AI: GLM 4.7 and Claude Sonnet 4

Z.AI: GLM 4.7 is made by openrouter while Claude Sonnet 4 is from anthropic.

Our Verdict
Z.AI: GLM 4.7
Z.AI: GLM 4.7
Claude Sonnet 4
Claude Sonnet 4

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
86%

Claude Sonnet 4 uses 7.2x more emoji

Z.AI: GLM 4.7
Claude Sonnet 4
53%Vocabulary62%
16wSentence Length111w
0.28Hedging0.40
5.7Bold5.0
4.2Lists9.3
0.12Emoji0.88
0.52Headings2.16
0.08Transitions0.33
Based on 21 + 17 text responses
vs

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Z.AI: GLM 4.7Claude Sonnet 4

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
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