What is the difference between GLM 5 and OpenAI o4 Mini High?

GLM 5 is developed by Zhipu AI while OpenAI o4 Mini High is developed by OpenAI. GLM 5 has a 203K token context window vs OpenAI o4 Mini High's 200K. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

Which is better, GLM 5 or OpenAI o4 Mini High?

It depends on your use case. GLM 5 and OpenAI o4 Mini High 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 GLM 5 cost compared to OpenAI o4 Mini High?

GLM 5 costs $0.8/M input tokens and OpenAI o4 Mini High costs $1.1/M input tokens. GLM 5 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 GLM 5 and OpenAI o4 Mini High on Rival?

This page shows a side-by-side comparison of GLM 5 and OpenAI o4 Mini High 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 GLM 5 and OpenAI o4 Mini High?

GLM 5 is developed by Zhipu AI while OpenAI o4 Mini High is developed by OpenAI. GLM 5 has a 203K token context window vs OpenAI o4 Mini High's 200K. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

Which is better, GLM 5 or OpenAI o4 Mini High?

It depends on your use case. GLM 5 and OpenAI o4 Mini High 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 GLM 5 cost compared to OpenAI o4 Mini High?

GLM 5 costs $0.8/M input tokens and OpenAI o4 Mini High costs $1.1/M input tokens. GLM 5 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 GLM 5 and OpenAI o4 Mini High on Rival?

This page shows a side-by-side comparison of GLM 5 and OpenAI o4 Mini High 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.

Updated Feb 2026

GLM 5vsOpenAI o4 Mini High

GLM 5 is cheaper than OpenAI o4 Mini High at $0.8/M vs $1.1/M input tokens.

GLM 5 and OpenAI o4 Mini High compared across 53 shared prompts
Spec	GLM 5	OpenAI o4 Mini High
Input price	$0.8/M tokens	$1.1/M tokens
Output price	$2.56/M tokens	$4.4/M tokens
Context window	203K tokens	200K tokens
Released	Feb 2026	Apr 2025
SWE-bench Verified	77.8%	68.1%

Our Verdict

GLM 5

OpenAI o4 Mini HighRunner-up

Not enough votes to call it. On the specs, GLM 5 has the edge: bigger model tier, newer.

Too close to call

What do GLM 5 and OpenAI o4 Mini High say about your brand?

10 models, one question, verbatim receipts.

or peek at a demo: Notion Linear Vercel

API pricing

Cost per 1M tokens

GLM 5

Input

$0.80

1.4× cheaper

Output

$2.56

1.7× cheaper

OpenAI o4 Mini High

Input

$1.10

Output

$4.40

GLM 5 is cheaper on both — 1.4× input, 1.7× output

Writing DNA

Style Comparison

Similarity

41%

GLM 5 uses 633.6x more bold

GLM 5

OpenAI o4 Mini High

54%Vocabulary70%

17wSentence Length18w

0.37Hedging0.33

6.3Bold0.0

4.7Lists1.3

0.00Emoji0.02

0.60Headings0.00

0.18Transitions0.04

Based on 22 + 14 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

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GLM 5 vs Mistral Large 3 2512New provider

GLM 5 vs Mistral Medium 3New provider

GLM 5 vs Mistral Medium 3.1New provider

GLM 5 vs Mistral NemoNew provider

Updated Feb 2026

GLM 5vsOpenAI o4 Mini High

GLM 5 is cheaper than OpenAI o4 Mini High at $0.8/M vs $1.1/M input tokens.

GLM 5 and OpenAI o4 Mini High compared across 53 shared prompts
Spec	GLM 5	OpenAI o4 Mini High
Input price	$0.8/M tokens	$1.1/M tokens
Output price	$2.56/M tokens	$4.4/M tokens
Context window	203K tokens	200K tokens
Released	Feb 2026	Apr 2025
SWE-bench Verified	77.8%	68.1%

Our Verdict

GLM 5

OpenAI o4 Mini HighRunner-up

Not enough votes to call it. On the specs, GLM 5 has the edge: bigger model tier, newer.

Too close to call

What do GLM 5 and OpenAI o4 Mini High say about your brand?

10 models, one question, verbatim receipts.

or peek at a demo: Notion Linear Vercel

API pricing

Cost per 1M tokens

GLM 5

Input

$0.80

1.4× cheaper

Output

$2.56

1.7× cheaper

OpenAI o4 Mini High

Input

$1.10

Output

$4.40

GLM 5 is cheaper on both — 1.4× input, 1.7× output

Writing DNA

Style Comparison

Similarity

41%

GLM 5 uses 633.6x more bold

GLM 5

OpenAI o4 Mini High

54%Vocabulary70%

17wSentence Length18w

0.37Hedging0.33

6.3Bold0.0

4.7Lists1.3

0.00Emoji0.02

0.60Headings0.00

0.18Transitions0.04

Based on 22 + 14 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

GLM 5 vs MiniMax M3New provider

GLM 5 vs Ox AlphaNew provider

GLM 5 vs Claude Opus 4New provider

GLM 5 vs Claude Opus 4.1New provider

GLM 5 vs Mistral Large 3 2512New provider

GLM 5 vs Mistral Medium 3New provider

GLM 5 vs Mistral Medium 3.1New provider

GLM 5 vs Mistral NemoNew provider