Z.AI: GLM 4.5 Air vs Grok 3 Beta
Compare Z.AI: GLM 4.5 Air by Zhipu AI against Grok 3 Beta by xAI, context windows of 128K vs 131K, tested across 53 shared challenges.
Our Verdict
Z.AI: GLM 4.5 Air
Grok 3 Beta
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
Z.AI: GLM 4.5 Air is 3.6x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
Z.AI: GLM 4.5 Air
Input
$0.20
10× cheaper
Output
$1.10
3.6× cheaper
Grok 3 Beta
Input
$2.00
Output
$4.00
Z.AI: GLM 4.5 Air is cheaper on both — 10× input, 3.6× output
Writing DNA
Style Comparison
Similarity
72%
Z.AI: GLM 4.5 Air uses 9.9x more emoji
Z.AI: GLM 4.5 Air
Grok 3 Beta
48%Vocabulary48%
16wSentence Length19w
0.40Hedging0.67
5.4Bold3.1
4.8Lists5.5
0.10Emoji0.00
0.75Headings0.52
0.12Transitions0.28
Based on 15 + 23 text responses
Research
What we learned reading every model
FAQ
