Z.ai: GLM 5.2 vs GPT-4
Compare Z.ai: GLM 5.2 by Zhipu AI against GPT-4 by OpenAI, context windows of 1.0M vs 8K, tested across 26 shared challenges.
Our Verdict
Z.ai: GLM 5.2
GPT-4Runner-up
No community votes yet. On paper, Z.ai: GLM 5.2 has the edge — newer, bigger context window.
Z.ai: GLM 5.2 is 14x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
Z.ai: GLM 5.2
Input
$1.40
21× cheaper
Output
$4.40
14× cheaper
GPT-4
Input
$30.00
Output
$60.00
Z.ai: GLM 5.2 is cheaper on both — 21× input, 14× output
Writing DNA
Style Comparison
Similarity
58%
Z.ai: GLM 5.2 uses 55.6x more headings
Z.ai: GLM 5.2
GPT-4
56%Vocabulary59%
18wSentence Length18w
0.27Hedging1.10
3.7Bold0.8
2.8Lists2.5
0.00Emoji0.00
0.56Headings0.00
0.24Transitions0.45
Based on 27 + 15 text responses
Research
What we learned reading every model
FAQ
