Claude Haiku 4.5 vs Z.AI: GLM 4 32B
Compare Claude Haiku 4.5 by Anthropic against Z.AI: GLM 4 32B by Zhipu AI, context windows of 200K vs 128K, tested across 53 shared challenges.
Our Verdict
Claude Haiku 4.5
Z.AI: GLM 4 32BRunner-up
No community votes yet. On paper, Claude Haiku 4.5 has the edge — newer, bigger context window.
Z.AI: GLM 4 32B is 50x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
Claude Haiku 4.5
Input
$1.00
Output
$5.00
Z.AI: GLM 4 32B
Input
$0.10
10× cheaper
Output
$0.10
50× cheaper
Z.AI: GLM 4 32B is cheaper on both — 10× input, 50× output
Writing DNA
Style Comparison
Similarity
48%
Claude Haiku 4.5 uses 20.4x more emoji
Claude Haiku 4.5
Z.AI: GLM 4 32B
61%Vocabulary53%
47wSentence Length15w
0.64Hedging0.83
5.1Bold5.8
6.3Lists4.6
0.20Emoji0.00
2.46Headings0.35
0.17Transitions0.04
Based on 24 + 17 text responses
Research
What we learned reading every model
FAQ
