What is the difference between Claude Opus 5 and GLM 5?

Claude Opus 5 is developed by Anthropic while GLM 5 is developed by Zhipu AI. Claude Opus 5 has a 1.0M token context window vs GLM 5's 203K. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

Which is better, Claude Opus 5 or GLM 5?

It depends on your use case. Claude Opus 5 and GLM 5 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 5 cost compared to GLM 5?

Claude Opus 5 costs $5/M input tokens and GLM 5 costs $0.8/M input tokens. GLM 5 is $4.20/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 5 and GLM 5 on Rival?

This page shows a side-by-side comparison of Claude Opus 5 and GLM 5 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 5 and GLM 5?

Claude Opus 5 is developed by Anthropic while GLM 5 is developed by Zhipu AI. Claude Opus 5 has a 1.0M token context window vs GLM 5's 203K. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

Which is better, Claude Opus 5 or GLM 5?

It depends on your use case. Claude Opus 5 and GLM 5 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 5 cost compared to GLM 5?

Claude Opus 5 costs $5/M input tokens and GLM 5 costs $0.8/M input tokens. GLM 5 is $4.20/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 5 and GLM 5 on Rival?

This page shows a side-by-side comparison of Claude Opus 5 and GLM 5 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 5 vs GLM 5: Which Is Better?

Updated Jul 2026

Our Verdict

Claude Opus 5

GLM 5Runner-up

No community votes yet. On paper, Claude Opus 5 has the edge — newer, bigger context window.

GLM 5 is 9.8x cheaper per token — worth considering if cost matters.

Too close to call

What do Claude Opus 5 and GLM 5 say about your brand?

10 models, one question, verbatim receipts.

or peek at a demo: Notion Linear Vercel

API pricing

Cost per 1M tokens

Claude Opus 5

Input

$5.00

Output

$25.00

GLM 5

Input

$0.80

6.3× cheaper

Output

$2.56

9.8× cheaper

GLM 5 is cheaper on both — 6.3× input, 9.8× output

Writing DNA

Style Comparison

Similarity

56%

Claude Opus 5 uses 1.7x more emoji

Claude Opus 5

GLM 5

54%Vocabulary54%

21wSentence Length17w

0.40Hedging0.37

3.9Bold6.3

1.9Lists4.7

0.02Emoji0.00

0.71Headings0.60

0.05Transitions0.18

Based on 27 + 22 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 Gemini 2.5 Pro Preview 06-05New provider

Updated Jul 2026

Our Verdict

Claude Opus 5

GLM 5Runner-up

No community votes yet. On paper, Claude Opus 5 has the edge — newer, bigger context window.

GLM 5 is 9.8x cheaper per token — worth considering if cost matters.

Too close to call

What do Claude Opus 5 and GLM 5 say about your brand?

10 models, one question, verbatim receipts.

or peek at a demo: Notion Linear Vercel

API pricing

Cost per 1M tokens

Claude Opus 5

Input

$5.00

Output

$25.00

GLM 5

Input

$0.80

6.3× cheaper

Output

$2.56

9.8× cheaper

GLM 5 is cheaper on both — 6.3× input, 9.8× output

Writing DNA

Style Comparison

Similarity

56%

Claude Opus 5 uses 1.7x more emoji

Claude Opus 5

GLM 5

54%Vocabulary54%

21wSentence Length17w

0.40Hedging0.37

3.9Bold6.3

1.9Lists4.7

0.02Emoji0.00

0.71Headings0.60

0.05Transitions0.18

Based on 27 + 22 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 Gemini 2.5 Pro Preview 06-05New provider