Claude Opus 4.5
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Claude Opus 4.5 vs Z.ai: GLM 5
Compare Claude Opus 4.5 by Anthropic against Z.ai: GLM 5 by Zhipu AI, in 1 community votes, z.ai: glm 5 wins 100% of head-to-head duels, tested across 53 shared challenges. Updated April 2026.
Which is better, Claude Opus 4.5 or Z.ai: GLM 5?
Z.ai: GLM 5 is the better choice overall, winning 100% of 1 blind community votes on Rival. Compare their real outputs side by side below.
Key Differences Between Claude Opus 4.5 and Z.ai: GLM 5
Claude Opus 4.5 is made by anthropic while Z.ai: GLM 5 is from zhipu. In community voting, In 1 community votes, Z.ai: GLM 5 wins 100% of head-to-head duels.
In 1 community votes, Z.ai: GLM 5 wins 100% of head-to-head duels. Based on blind community voting from the Rival open dataset of 1+ human preference judgments for this pair.
Our Verdict
Z.ai: GLM 5Winner
Claude Opus 4.5Runner-up
Pick Z.ai: GLM 5. In 1 blind votes, Z.ai: GLM 5 wins 100% of the time. That's not luck.
Clear winner
Writing DNA
Style Comparison
Similarity
98%
Claude Opus 4.5 uses 15.2x more emoji
Claude Opus 4.5
Z.ai: GLM 5
64%Vocabulary54%
55wSentence Length17w
0.86Hedging0.37
5.8Bold6.3
4.5Lists4.7
0.15Emoji0.00
1.59Headings0.60
0.05Transitions0.18
Based on 24 + 22 text responses
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