Z.AI: GLM 4 32B vs OpenAI: GPT-5.6 Luna
Compare Z.AI: GLM 4 32B by Zhipu AI against OpenAI: GPT-5.6 Luna by OpenAI, context windows of 128K vs 1.1M, tested across 54 shared challenges.
Our Verdict
Z.AI: GLM 4 32B
OpenAI: GPT-5.6 Luna
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 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
10× cheaper
Output
$0.10
60× cheaper
OpenAI: GPT-5.6 Luna
Input
$1.00
Output
$6.00
Z.AI: GLM 4 32B is cheaper on both — 10× input, 60× output
Writing DNA
Style Comparison
Similarity
63%
OpenAI: GPT-5.6 Luna uses 3.4x more headings
Z.AI: GLM 4 32B
OpenAI: GPT-5.6 Luna
53%Vocabulary59%
15wSentence Length19w
0.83Hedging0.84
5.8Bold2.7
4.6Lists4.5
0.00Emoji0.00
0.35Headings1.20
0.04Transitions0.10
Based on 17 + 27 text responses
Research
What we learned reading every model
FAQ
