What is the difference between Z.ai: GLM 5.2 and OpenAI o4-mini?

Z.ai: GLM 5.2 is developed by Zhipu AI while OpenAI o4-mini is developed by OpenAI. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

Which is better, Z.ai: GLM 5.2 or OpenAI o4-mini?

It depends on your use case. Z.ai: GLM 5.2 and OpenAI o4-mini each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 53 challenges so you can judge which fits your needs best.

How much does Z.ai: GLM 5.2 cost compared to OpenAI o4-mini?

Z.ai: GLM 5.2 costs $1.4/M input tokens and OpenAI o4-mini costs $1.1/M input tokens. OpenAI o4-mini is $0.30/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

How can I compare Z.ai: GLM 5.2 and OpenAI o4-mini on Rival?

This page shows a side-by-side comparison of Z.ai: GLM 5.2 and OpenAI o4-mini across shared challenges. You can vote on which model produced the better output in a blind duel. Browsing and voting are free. No account is needed to look; signing in only saves your votes and likes.

What is the difference between Z.ai: GLM 5.2 and OpenAI o4-mini?

Z.ai: GLM 5.2 is developed by Zhipu AI while OpenAI o4-mini is developed by OpenAI. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

Which is better, Z.ai: GLM 5.2 or OpenAI o4-mini?

It depends on your use case. Z.ai: GLM 5.2 and OpenAI o4-mini each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 53 challenges so you can judge which fits your needs best.

How much does Z.ai: GLM 5.2 cost compared to OpenAI o4-mini?

Z.ai: GLM 5.2 costs $1.4/M input tokens and OpenAI o4-mini costs $1.1/M input tokens. OpenAI o4-mini is $0.30/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

How can I compare Z.ai: GLM 5.2 and OpenAI o4-mini on Rival?

This page shows a side-by-side comparison of Z.ai: GLM 5.2 and OpenAI o4-mini across shared challenges. You can vote on which model produced the better output in a blind duel. Browsing and voting are free. No account is needed to look; signing in only saves your votes and likes.

Z.ai: GLM 5.2 vs OpenAI o4-mini: Which Is Better?

Rival

Updated Jun 2026

Our Verdict

Z.ai: GLM 5.2

OpenAI o4-miniRunner-up

No community votes yet. On paper, Z.ai: GLM 5.2 has the edge — bigger model tier, newer, bigger context window.

Too close to call

API pricing

Cost per 1M tokens

Z.ai: GLM 5.2

Input

$1.40

Output

$4.40

OpenAI o4-mini

Input

$1.10

1.3× cheaper

Output

$4.40

Writing DNA

Style Comparison

Similarity

62%

Z.ai: GLM 5.2 uses 368.3x more bold

Z.ai: GLM 5.2

OpenAI o4-mini

56%Vocabulary73%

18wSentence Length15w

0.27Hedging0.18

3.7Bold0.0

2.8Lists2.1

0.00Emoji0.00

0.56Headings0.00

0.24Transitions0.02

Based on 27 + 10 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

OpenAI o4-mini vs MiniMax M3New provider

Z.ai: GLM 5.2 vs Claude Opus 4.1New provider

Z.ai: GLM 5.2 vs Llama 4 MaverickNew provider

Rival

Updated Jun 2026

Our Verdict

Z.ai: GLM 5.2

OpenAI o4-miniRunner-up

No community votes yet. On paper, Z.ai: GLM 5.2 has the edge — bigger model tier, newer, bigger context window.

Too close to call

API pricing

Cost per 1M tokens

Z.ai: GLM 5.2

Input

$1.40

Output

$4.40

OpenAI o4-mini

Input

$1.10

1.3× cheaper

Output

$4.40

Writing DNA

Style Comparison

Similarity

62%

Z.ai: GLM 5.2 uses 368.3x more bold

Z.ai: GLM 5.2

OpenAI o4-mini

56%Vocabulary73%

18wSentence Length15w

0.27Hedging0.18

3.7Bold0.0

2.8Lists2.1

0.00Emoji0.00

0.56Headings0.00

0.24Transitions0.02

Based on 27 + 10 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

OpenAI o4-mini vs MiniMax M3New provider

Z.ai: GLM 5.2 vs Claude Opus 4.1New provider

Z.ai: GLM 5.2 vs Llama 4 MaverickNew provider

Rival