What is the difference between Claude Sonnet 4 and Z.ai: GLM 5.2?

Claude Sonnet 4 is developed by Anthropic while Z.ai: GLM 5.2 is developed by Zhipu AI. Claude Sonnet 4 has a 200K token context window vs Z.ai: GLM 5.2's 1.0M. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

Which is better, Claude Sonnet 4 or Z.ai: GLM 5.2?

It depends on your use case. Claude Sonnet 4 and Z.ai: GLM 5.2 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 Claude Sonnet 4 cost compared to Z.ai: GLM 5.2?

Claude Sonnet 4 costs $3/M input tokens and Z.ai: GLM 5.2 costs $1.4/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 Claude Sonnet 4 and Z.ai: GLM 5.2 on Rival?

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

Claude Sonnet 4 is developed by Anthropic while Z.ai: GLM 5.2 is developed by Zhipu AI. Claude Sonnet 4 has a 200K token context window vs Z.ai: GLM 5.2's 1.0M. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

Which is better, Claude Sonnet 4 or Z.ai: GLM 5.2?

It depends on your use case. Claude Sonnet 4 and Z.ai: GLM 5.2 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 Claude Sonnet 4 cost compared to Z.ai: GLM 5.2?

Claude Sonnet 4 costs $3/M input tokens and Z.ai: GLM 5.2 costs $1.4/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 Claude Sonnet 4 and Z.ai: GLM 5.2 on Rival?

This page shows a side-by-side comparison of Claude Sonnet 4 and Z.ai: GLM 5.2 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.

Claude Sonnet 4 vs Z.ai: GLM 5.2: Which Is Better?

Updated Jun 2026

Our Verdict

Z.ai: GLM 5.2

Claude Sonnet 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

Claude Sonnet 4

Input

$3.00

Output

$15.00

Z.ai: GLM 5.2

Input

$1.40

2.1× cheaper

Output

$4.40

3.4× cheaper

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

Writing DNA

Style Comparison

Similarity

35%

Claude Sonnet 4 uses 87.9x more emoji

Claude Sonnet 4

Z.ai: GLM 5.2

62%Vocabulary56%

111wSentence Length18w

0.40Hedging0.27

5.0Bold3.7

9.3Lists2.8

0.88Emoji0.00

2.16Headings0.56

0.33Transitions0.24

Based on 17 + 27 text responses

Research

What we learned reading every model

Claude Sonnet 4 and Z.ai: GLM 5.2 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

Claude Sonnet 4 vs MiniMax M3New provider

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

Z.ai: GLM 5.2 vs Claude Opus 4Cross-provider

Updated Jun 2026

Our Verdict

Z.ai: GLM 5.2

Claude Sonnet 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

Claude Sonnet 4

Input

$3.00

Output

$15.00

Z.ai: GLM 5.2

Input

$1.40

2.1× cheaper

Output

$4.40

3.4× cheaper

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

Writing DNA

Style Comparison

Similarity

35%

Claude Sonnet 4 uses 87.9x more emoji

Claude Sonnet 4

Z.ai: GLM 5.2

62%Vocabulary56%

111wSentence Length18w

0.40Hedging0.27

5.0Bold3.7

9.3Lists2.8

0.88Emoji0.00

2.16Headings0.56

0.33Transitions0.24

Based on 17 + 27 text responses

Research

What we learned reading every model

Claude Sonnet 4 and Z.ai: GLM 5.2 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

Claude Sonnet 4 vs MiniMax M3New provider

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

Z.ai: GLM 5.2 vs Claude Opus 4Cross-provider