GLM 5 Turbo vs OpenAI o4-mini
Compare GLM 5 Turbo by Z-ai against OpenAI o4-mini by OpenAI, tested across 53 shared challenges. Updated April 2026.
Which is better, GLM 5 Turbo or OpenAI o4-mini?
GLM 5 Turbo and OpenAI o4-mini are both competitive models. GLM 5 Turbo costs $0.96/M input tokens vs $1.1/M for OpenAI o4-mini. Compare their real outputs side by side below.
Key Differences Between GLM 5 Turbo and OpenAI o4-mini
GLM 5 Turbo is made by z-ai while OpenAI o4-mini is from openai. On pricing, GLM 5 Turbo costs $0.96/M input tokens vs $1.1/M for OpenAI o4-mini.
API pricing
Per 1M tokens
GLM 5 Turbo
Input
$0.96
1.1× cheaper
Output
$3.20
1.4× cheaper
OpenAI o4-mini
Input
$1.10
Output
$4.40
GLM 5 Turbo is cheaper on both — 1.1× input, 1.4× output
Our Verdict
GLM 5 Turbo
OpenAI o4-mini
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
Too close to call
Writing DNA
Style Comparison
Similarity
57%
GLM 5 Turbo uses 397.2x more bold
GLM 5 Turbo
OpenAI o4-mini
54%Vocabulary73%
18wSentence Length15w
0.24Hedging0.18
4.0Bold0.0
3.0Lists2.1
0.00Emoji0.00
0.72Headings0.00
0.17Transitions0.02
Based on 23 + 10 text responses
FAQ
