Z.AI: GLM 4 32B vs OpenAI o4-mini
Compare Z.AI: GLM 4 32B by Zhipu AI against OpenAI o4-mini by OpenAI, tested across 53 shared challenges. Updated April 2026.
Which is better, Z.AI: GLM 4 32B or OpenAI o4-mini?
Z.AI: GLM 4 32B and OpenAI o4-mini are both competitive models. Z.AI: GLM 4 32B costs $0.1/M input tokens vs $1.1/M for OpenAI o4-mini. Compare their real outputs side by side below.
Key Differences Between Z.AI: GLM 4 32B and OpenAI o4-mini
Z.AI: GLM 4 32B is made by zhipu while OpenAI o4-mini is from openai. On pricing, Z.AI: GLM 4 32B costs $0.1/M input tokens vs $1.1/M for OpenAI o4-mini.
API pricing
Per 1M tokens
Z.AI: GLM 4 32B
Input
$0.10
11× cheaper
Output
$0.10
44× cheaper
OpenAI o4-mini
Input
$1.10
Output
$4.40
Z.AI: GLM 4 32B is cheaper on both — 11× input, 44× output
Our Verdict
Z.AI: GLM 4 32B
OpenAI o4-miniRunner-up
No community votes yet. On paper, Z.AI: GLM 4 32B has the edge — bigger model tier, newer, bigger context window.
Z.AI: GLM 4 32B is 44x cheaper per token — worth considering if cost matters.
Too close to call
Writing DNA
Style Comparison
Similarity
37%
Z.AI: GLM 4 32B uses 578.2x more bold
Z.AI: GLM 4 32B
OpenAI o4-mini
53%Vocabulary73%
15wSentence Length15w
0.83Hedging0.18
5.8Bold0.0
4.6Lists2.1
0.00Emoji0.00
0.35Headings0.00
0.04Transitions0.02
Based on 17 + 10 text responses
FAQ
