Claude Opus 4.1 vs Z.AI: GLM 4.6
Compare Claude Opus 4.1 by Anthropic against Z.AI: GLM 4.6 by Zhipu AI, in 4 community votes, z.ai: glm 4.6 wins 67% of head-to-head duels, context windows of 200K vs 203K, tested across 53 shared challenges.
Image Generation: Claude Opus 4.1 and Z.AI: GLM 4.6 are tied
Our Verdict
Z.AI: GLM 4.6Winner
Claude Opus 4.1Runner-up
Pick Z.AI: GLM 4.6. In 4 blind votes, Z.AI: GLM 4.6 wins 67% of the time. That's not luck.
Z.AI: GLM 4.6 is 43x cheaper per token — worth considering if cost matters.
Clear winner
API pricing
Cost per 1M tokens
Claude Opus 4.1
Input
$15.00
Output
$75.00
Z.AI: GLM 4.6
Input
$0.40
38× cheaper
Output
$1.75
43× cheaper
Z.AI: GLM 4.6 is cheaper on both — 38× input, 43× output
Writing DNA
Style Comparison
Similarity
41%
Claude Opus 4.1 uses 6.2x more sentence length
Claude Opus 4.1
Z.AI: GLM 4.6
61%Vocabulary52%
87wSentence Length14w
0.54Hedging0.29
5.1Bold5.2
6.7Lists3.2
0.38Emoji0.18
1.68Headings0.57
0.13Transitions0.09
Based on 17 + 22 text responses
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