Z.AI: GLM 4 32B vs xAI: Grok 4.5
Compare Z.AI: GLM 4 32B by Zhipu AI against xAI: Grok 4.5 by xAI, context windows of 128K vs 500K, tested across 54 shared challenges.
Our Verdict
xAI: Grok 4.5
Z.AI: GLM 4 32BRunner-up
No community votes yet. On paper, xAI: Grok 4.5 has the edge — newer, bigger context window.
Z.AI: GLM 4 32B is 60x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
Z.AI: GLM 4 32B
Input
$0.10
20× cheaper
Output
$0.10
60× cheaper
xAI: Grok 4.5
Input
$2.00
Output
$6.00
Z.AI: GLM 4 32B is cheaper on both — 20× input, 60× output
Writing DNA
Style Comparison
Similarity
46%
xAI: Grok 4.5 uses 9.0x more emoji
Z.AI: GLM 4 32B
xAI: Grok 4.5
53%Vocabulary61%
15wSentence Length16w
0.83Hedging0.23
5.8Bold2.5
4.6Lists2.4
0.00Emoji0.09
0.35Headings0.48
0.04Transitions0.06
Based on 17 + 27 text responses
Research
What we learned reading every model
FAQ
