Z.AI: GLM 4.6 vs OpenAI o4-mini
Compare Z.AI: GLM 4.6 by Zhipu AI against OpenAI o4-mini by OpenAI, tested across 54 shared challenges. Updated May 2026.
Which is better, Z.AI: GLM 4.6 or OpenAI o4-mini?
Z.AI: GLM 4.6 and OpenAI o4-mini are both competitive models. Z.AI: GLM 4.6 costs $0.4/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 4.6 and OpenAI o4-mini
Z.AI: GLM 4.6 is made by zhipu while OpenAI o4-mini is from openai. On pricing, Z.AI: GLM 4.6 costs $0.4/M input tokens vs $1.1/M for OpenAI o4-mini.
API pricing
Per 1M tokens
Z.AI: GLM 4.6
Input
$0.40
2.8× cheaper
Output
$1.75
2.5× cheaper
OpenAI o4-mini
Input
$1.10
Output
$4.40
Z.AI: GLM 4.6 is cheaper on both — 2.8× input, 2.5× output
Our Verdict
Z.AI: GLM 4.6
OpenAI o4-miniRunner-up
No community votes yet. On paper, Z.AI: GLM 4.6 has the edge — bigger model tier, newer, bigger context window.
Too close to call
Writing DNA
Style Comparison
Similarity
47%
Z.AI: GLM 4.6 uses 516.4x more bold
Z.AI: GLM 4.6
OpenAI o4-mini
52%Vocabulary73%
14wSentence Length15w
0.29Hedging0.18
5.2Bold0.0
3.2Lists2.1
0.18Emoji0.00
0.57Headings0.00
0.09Transitions0.02
Based on 22 + 10 text responses
FAQ
