What is the difference between GLM 5 Turbo and Grok 4.1 Fast?

GLM 5 Turbo is developed by Z-ai while Grok 4.1 Fast is developed by xAI. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

Which is better, GLM 5 Turbo or Grok 4.1 Fast?

It depends on your use case. GLM 5 Turbo and Grok 4.1 Fast 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 can I compare GLM 5 Turbo and Grok 4.1 Fast on Rival?

This page shows a side-by-side comparison of GLM 5 Turbo and Grok 4.1 Fast 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 GLM 5 Turbo and Grok 4.1 Fast?

GLM 5 Turbo is developed by Z-ai while Grok 4.1 Fast is developed by xAI. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

Which is better, GLM 5 Turbo or Grok 4.1 Fast?

It depends on your use case. GLM 5 Turbo and Grok 4.1 Fast 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 can I compare GLM 5 Turbo and Grok 4.1 Fast on Rival?

This page shows a side-by-side comparison of GLM 5 Turbo and Grok 4.1 Fast 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.

GLM 5 Turbo vs Grok 4.1 Fast: Which Is Better?

Updated Mar 2026

Our Verdict

Grok 4.1 Fast

GLM 5 TurboRunner-up

No community votes yet. On paper, Grok 4.1 Fast has the edge — bigger model tier, major provider backing.

Too close to call

API pricing

Cost per 1M tokens

GLM 5 Turbo

Input

$0.96

Output

$3.20

Grok 4.1 Fast

Input

—

Output

—

Writing DNA

Style Comparison

Similarity

44%

GLM 5 Turbo

Grok 4.1 Fast

54%Vocabulary67%

18wSentence Length15w

0.24Hedging0.17

4.0Bold4.7

3.0Lists3.7

0.00Emoji0.00

0.72Headings0.99

0.17Transitions0.14

Based on 23 + 24 text responses

Research

What we learned reading every model

GLM 5 Turbo and Grok 4.1 Fast 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

GLM 5 Turbo vs MiniMax M3New provider

Grok 4.1 Fast vs GPT-5New provider

GLM 5 Turbo vs Claude Opus 4.1New provider

Updated Mar 2026

Our Verdict

Grok 4.1 Fast

GLM 5 TurboRunner-up

No community votes yet. On paper, Grok 4.1 Fast has the edge — bigger model tier, major provider backing.

Too close to call

API pricing

Cost per 1M tokens

GLM 5 Turbo

Input

$0.96

Output

$3.20

Grok 4.1 Fast

Input

—

Output

—

Writing DNA

Style Comparison

Similarity

44%

GLM 5 Turbo

Grok 4.1 Fast

54%Vocabulary67%

18wSentence Length15w

0.24Hedging0.17

4.0Bold4.7

3.0Lists3.7

0.00Emoji0.00

0.72Headings0.99

0.17Transitions0.14

Based on 23 + 24 text responses

Research

What we learned reading every model

GLM 5 Turbo and Grok 4.1 Fast 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

GLM 5 Turbo vs MiniMax M3New provider

Grok 4.1 Fast vs GPT-5New provider

GLM 5 Turbo vs Claude Opus 4.1New provider