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

Claude Opus 4 is developed by Anthropic while Z.ai: GLM 5.2 is developed by Zhipu AI. Claude Opus 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 Opus 4 or Z.ai: GLM 5.2?

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

Claude Opus 4 costs $15/M input tokens and Z.ai: GLM 5.2 costs $1.4/M input tokens. Z.ai: GLM 5.2 is $13.60/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 Opus 4 and Z.ai: GLM 5.2 on Rival?

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

Claude Opus 4 is developed by Anthropic while Z.ai: GLM 5.2 is developed by Zhipu AI. Claude Opus 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 Opus 4 or Z.ai: GLM 5.2?

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

Claude Opus 4 costs $15/M input tokens and Z.ai: GLM 5.2 costs $1.4/M input tokens. Z.ai: GLM 5.2 is $13.60/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 Opus 4 and Z.ai: GLM 5.2 on Rival?

This page shows a side-by-side comparison of Claude Opus 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 Opus 4 vs Z.ai: GLM 5.2: Which Is Better?

Rival

Updated Jun 2026

Our Verdict

Z.ai: GLM 5.2

Claude Opus 4Runner-up

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

Z.ai: GLM 5.2 is 17x cheaper per token — worth considering if cost matters.

Too close to call

API pricing

Cost per 1M tokens

Claude Opus 4

Input

$15.00

Output

$75.00

Z.ai: GLM 5.2

Input

$1.40

11× cheaper

Output

$4.40

17× cheaper

Z.ai: GLM 5.2 is cheaper on both — 11× input, 17× output

Writing DNA

Style Comparison

Similarity

29%

Claude Opus 4 uses 11.2x more emoji

Claude Opus 4

Z.ai: GLM 5.2

64%Vocabulary56%

62wSentence Length18w

0.52Hedging0.27

4.4Bold3.7

9.1Lists2.8

0.11Emoji0.00

1.87Headings0.56

0.27Transitions0.24

Based on 16 + 27 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Claude Opus 4 vs MiniMax M3New provider

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

Z.ai: GLM 5.2 vs Claude Opus 4.1Cross-provider

Rival

Updated Jun 2026

Our Verdict

Z.ai: GLM 5.2

Claude Opus 4Runner-up

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

Z.ai: GLM 5.2 is 17x cheaper per token — worth considering if cost matters.

Too close to call

API pricing

Cost per 1M tokens

Claude Opus 4

Input

$15.00

Output

$75.00

Z.ai: GLM 5.2

Input

$1.40

11× cheaper

Output

$4.40

17× cheaper

Z.ai: GLM 5.2 is cheaper on both — 11× input, 17× output

Writing DNA

Style Comparison

Similarity

29%

Claude Opus 4 uses 11.2x more emoji

Claude Opus 4

Z.ai: GLM 5.2

64%Vocabulary56%

62wSentence Length18w

0.52Hedging0.27

4.4Bold3.7

9.1Lists2.8

0.11Emoji0.00

1.87Headings0.56

0.27Transitions0.24

Based on 16 + 27 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Claude Opus 4 vs MiniMax M3New provider

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

Z.ai: GLM 5.2 vs Claude Opus 4.1Cross-provider

Rival