What is the difference between Claude Sonnet 4.5 and GLM 5?

Claude Sonnet 4.5 is developed by Anthropic while GLM 5 is developed by Zhipu AI. Claude Sonnet 4.5 has a 200K token context window vs GLM 5's 203K. You can compare their actual outputs across 42 challenges on Rival to see how they differ in practice.

Which is better, Claude Sonnet 4.5 or GLM 5?

It depends on your use case. Claude Sonnet 4.5 and GLM 5 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 42 challenges so you can judge which fits your needs best.

How much does Claude Sonnet 4.5 cost compared to GLM 5?

Claude Sonnet 4.5 costs $3/M input tokens and GLM 5 costs $0.8/M input tokens. GLM 5 is $2.20/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 Sonnet 4.5 and GLM 5 on Rival?

This page shows a side-by-side comparison of Claude Sonnet 4.5 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 Sonnet 4.5 and GLM 5?

Claude Sonnet 4.5 is developed by Anthropic while GLM 5 is developed by Zhipu AI. Claude Sonnet 4.5 has a 200K token context window vs GLM 5's 203K. You can compare their actual outputs across 42 challenges on Rival to see how they differ in practice.

Which is better, Claude Sonnet 4.5 or GLM 5?

It depends on your use case. Claude Sonnet 4.5 and GLM 5 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 42 challenges so you can judge which fits your needs best.

How much does Claude Sonnet 4.5 cost compared to GLM 5?

Claude Sonnet 4.5 costs $3/M input tokens and GLM 5 costs $0.8/M input tokens. GLM 5 is $2.20/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 Sonnet 4.5 and GLM 5 on Rival?

This page shows a side-by-side comparison of Claude Sonnet 4.5 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.

Updated Feb 2026

Claude Sonnet 4.5vsGLM 5

GLM 5 is cheaper than Claude Sonnet 4.5 at $0.8/M vs $3/M input tokens.

Claude Sonnet 4.5 and GLM 5 compared across 42 shared prompts
Spec	Claude Sonnet 4.5	GLM 5
Input price	$3/M tokens	$0.8/M tokens
Output price	$15/M tokens	$2.56/M tokens
Context window	200K tokens	203K tokens
Released	Sep 2025	Feb 2026
SWE-bench Verified	77.2%	77.8%

Our Verdict

GLM 5

Claude Sonnet 4.5Runner-up

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

GLM 5 costs 5.9x less per token.

Too close to call

What do Claude Sonnet 4.5 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 Sonnet 4.5

Input

$3.00

Output

$15.00

GLM 5

Input

$0.80

3.8× cheaper

Output

$2.56

5.9× cheaper

GLM 5 is cheaper on both — 3.8× input, 5.9× output

Writing DNA

Style Comparison

Similarity

42%

Claude Sonnet 4.5 uses 45.2x more emoji

Claude Sonnet 4.5

GLM 5

64%Vocabulary54%

94wSentence Length17w

0.48Hedging0.37

4.9Bold6.3

8.0Lists4.7

0.45Emoji0.00

1.91Headings0.60

0.07Transitions0.18

Based on 20 + 22 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Claude Sonnet 4.5 vs MiniMax M3New provider

Claude Sonnet 4.5 vs Ox AlphaNew provider

Claude Sonnet 4.5 vs MiniMax M2.7New provider

Claude Sonnet 4.5 vs Aurora AlphaNew provider

Claude Sonnet 4.5 vs DeepSeek V3.2New provider

Claude Sonnet 4.5 vs DeepSeek V3.2 ExpNew provider

Claude Sonnet 4.5 vs DeepSeek V3.2 SpecialeNew provider

Claude Sonnet 4.5 vs DeepSeek V4 FlashNew provider

Updated Feb 2026

Claude Sonnet 4.5vsGLM 5

GLM 5 is cheaper than Claude Sonnet 4.5 at $0.8/M vs $3/M input tokens.

Claude Sonnet 4.5 and GLM 5 compared across 42 shared prompts
Spec	Claude Sonnet 4.5	GLM 5
Input price	$3/M tokens	$0.8/M tokens
Output price	$15/M tokens	$2.56/M tokens
Context window	200K tokens	203K tokens
Released	Sep 2025	Feb 2026
SWE-bench Verified	77.2%	77.8%

Our Verdict

GLM 5

Claude Sonnet 4.5Runner-up

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

GLM 5 costs 5.9x less per token.

Too close to call

What do Claude Sonnet 4.5 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 Sonnet 4.5

Input

$3.00

Output

$15.00

GLM 5

Input

$0.80

3.8× cheaper

Output

$2.56

5.9× cheaper

GLM 5 is cheaper on both — 3.8× input, 5.9× output

Writing DNA

Style Comparison

Similarity

42%

Claude Sonnet 4.5 uses 45.2x more emoji

Claude Sonnet 4.5

GLM 5

64%Vocabulary54%

94wSentence Length17w

0.48Hedging0.37

4.9Bold6.3

8.0Lists4.7

0.45Emoji0.00

1.91Headings0.60

0.07Transitions0.18

Based on 20 + 22 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Claude Sonnet 4.5 vs MiniMax M3New provider

Claude Sonnet 4.5 vs Ox AlphaNew provider

Claude Sonnet 4.5 vs MiniMax M2.7New provider

Claude Sonnet 4.5 vs Aurora AlphaNew provider

Claude Sonnet 4.5 vs DeepSeek V3.2New provider

Claude Sonnet 4.5 vs DeepSeek V3.2 ExpNew provider

Claude Sonnet 4.5 vs DeepSeek V3.2 SpecialeNew provider

Claude Sonnet 4.5 vs DeepSeek V4 FlashNew provider