What is the difference between Z.ai: GLM 5.2 and xAI: Grok 4?

Z.ai: GLM 5.2 is developed by Zhipu AI while xAI: Grok 4 is developed by xAI. Z.ai: GLM 5.2 has a 1.0M token context window vs xAI: Grok 4's 256K. 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 xAI: Grok 4?

It depends on your use case. Z.ai: GLM 5.2 and xAI: Grok 4 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 xAI: Grok 4?

Z.ai: GLM 5.2 costs $1.4/M input tokens and xAI: Grok 4 costs $3/M input tokens. Z.ai: GLM 5.2 is $1.60/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 xAI: Grok 4 on Rival?

This page shows a side-by-side comparison of Z.ai: GLM 5.2 and xAI: Grok 4 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 xAI: Grok 4?

Z.ai: GLM 5.2 is developed by Zhipu AI while xAI: Grok 4 is developed by xAI. Z.ai: GLM 5.2 has a 1.0M token context window vs xAI: Grok 4's 256K. 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 xAI: Grok 4?

It depends on your use case. Z.ai: GLM 5.2 and xAI: Grok 4 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 xAI: Grok 4?

Z.ai: GLM 5.2 costs $1.4/M input tokens and xAI: Grok 4 costs $3/M input tokens. Z.ai: GLM 5.2 is $1.60/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 xAI: Grok 4 on Rival?

This page shows a side-by-side comparison of Z.ai: GLM 5.2 and xAI: Grok 4 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 xAI: Grok 4: Which Is Better?

Updated Jun 2026

Our Verdict

Z.ai: GLM 5.2

xAI: Grok 4Runner-up

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

Z.ai: GLM 5.2 is 3.4x cheaper per token — worth considering if cost matters.

Slight edge

API pricing

Cost per 1M tokens

Z.ai: GLM 5.2

Input

$1.40

2.1× cheaper

Output

$4.40

3.4× cheaper

xAI: Grok 4

Input

$3.00

Output

$15.00

Z.ai: GLM 5.2 is cheaper on both — 2.1× input, 3.4× output

Writing DNA

Style Comparison

Similarity

37%

xAI: Grok 4 uses 7.0x more emoji

Z.ai: GLM 5.2

xAI: Grok 4

56%Vocabulary53%

18wSentence Length18w

0.27Hedging0.67

3.7Bold2.7

2.8Lists2.7

0.00Emoji0.07

0.56Headings0.86

0.24Transitions0.04

Based on 27 + 21 text responses

Research

What we learned reading every model

Z.ai: GLM 5.2 and xAI: Grok 4 have opinions about your brand too.Ask 10 models what they tell people about you. Verbatim receipts.Run the mirror

FAQ

Common questions

Keep exploring

More comparisons

xAI: Grok 4 vs MiniMax M3New provider

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

Z.ai: GLM 5.2 vs GPT-5New provider

Updated Jun 2026

Our Verdict

Z.ai: GLM 5.2

xAI: Grok 4Runner-up

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

Z.ai: GLM 5.2 is 3.4x cheaper per token — worth considering if cost matters.

Slight edge

API pricing

Cost per 1M tokens

Z.ai: GLM 5.2

Input

$1.40

2.1× cheaper

Output

$4.40

3.4× cheaper

xAI: Grok 4

Input

$3.00

Output

$15.00

Z.ai: GLM 5.2 is cheaper on both — 2.1× input, 3.4× output

Writing DNA

Style Comparison

Similarity

37%

xAI: Grok 4 uses 7.0x more emoji

Z.ai: GLM 5.2

xAI: Grok 4

56%Vocabulary53%

18wSentence Length18w

0.27Hedging0.67

3.7Bold2.7

2.8Lists2.7

0.00Emoji0.07

0.56Headings0.86

0.24Transitions0.04

Based on 27 + 21 text responses

Research

What we learned reading every model

Z.ai: GLM 5.2 and xAI: Grok 4 have opinions about your brand too.Ask 10 models what they tell people about you. Verbatim receipts.Run the mirror

FAQ

Common questions

Keep exploring

More comparisons

xAI: Grok 4 vs MiniMax M3New provider

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

Z.ai: GLM 5.2 vs GPT-5New provider