Z.ai: GLM 5 vs xAI: Grok 4.3
Compare Z.ai: GLM 5 by Zhipu AI against xAI: Grok 4.3 by xAI, context windows of 203K vs 1.0M, tested across 53 shared challenges.
Our Verdict
Z.ai: GLM 5
xAI: Grok 4.3
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
API pricing
Cost per 1M tokens
Z.ai: GLM 5
Input
$0.80
1.6× cheaper
Output
$2.56
xAI: Grok 4.3
Input
$1.25
Output
$2.50
Z.ai: GLM 5 wins input (1.6× cheaper)·xAI: Grok 4.3
Writing DNA
Style Comparison
Similarity
53%
Z.ai: GLM 5 uses 2.8x more bold
Z.ai: GLM 5
xAI: Grok 4.3
54%Vocabulary62%
17wSentence Length16w
0.37Hedging0.46
6.3Bold2.3
4.7Lists2.5
0.00Emoji0.00
0.60Headings0.34
0.18Transitions0.14
Based on 22 + 27 text responses
Research
What we learned reading every model
FAQ
