What is the difference between GLM 4.6 and Grok Code Fast 1?

GLM 4.6 is developed by Zhipu AI while Grok Code Fast 1 is developed by xAI. GLM 4.6 has a 203K token context window vs Grok Code Fast 1's 256K. in 53 community votes on Rival, GLM 4.6 wins 83% of head-to-head matchups. These results are based on blind head-to-head voting across 55 challenges.

Which is better, GLM 4.6 or Grok Code Fast 1?

Based on 53 community votes on Rival, GLM 4.6 wins 83% of head-to-head matchups against Grok Code Fast 1. GLM 4.6 is strongest in Web Design, Image Generation, Reasoning.

How much does GLM 4.6 cost compared to Grok Code Fast 1?

GLM 4.6 costs $0.4/M input tokens and Grok Code Fast 1 costs $0.2/M input tokens. Grok Code Fast 1 is $0.20/M cheaper per input. The more expensive model wins 83% of duels, so the premium may be justified by quality.

How are GLM 4.6 vs Grok Code Fast 1 votes collected on Rival?

Rival presents both models' outputs side-by-side in blind duels. Voters see the responses but don't know which model produced each one, eliminating brand bias. 53 votes have been collected for this pair across 55 challenges. All vote data is part of Rival's open dataset.

What is the difference between GLM 4.6 and Grok Code Fast 1?

GLM 4.6 is developed by Zhipu AI while Grok Code Fast 1 is developed by xAI. GLM 4.6 has a 203K token context window vs Grok Code Fast 1's 256K. in 53 community votes on Rival, GLM 4.6 wins 83% of head-to-head matchups. These results are based on blind head-to-head voting across 55 challenges.

Which is better, GLM 4.6 or Grok Code Fast 1?

Based on 53 community votes on Rival, GLM 4.6 wins 83% of head-to-head matchups against Grok Code Fast 1. GLM 4.6 is strongest in Web Design, Image Generation, Reasoning.

How much does GLM 4.6 cost compared to Grok Code Fast 1?

GLM 4.6 costs $0.4/M input tokens and Grok Code Fast 1 costs $0.2/M input tokens. Grok Code Fast 1 is $0.20/M cheaper per input. The more expensive model wins 83% of duels, so the premium may be justified by quality.

How are GLM 4.6 vs Grok Code Fast 1 votes collected on Rival?

Rival presents both models' outputs side-by-side in blind duels. Voters see the responses but don't know which model produced each one, eliminating brand bias. 53 votes have been collected for this pair across 55 challenges. All vote data is part of Rival's open dataset.

Updated Sep 2025

GLM 4.6vsGrok Code Fast 1

GLM 4.6 wins 83% of 53 blind community votes against Grok Code Fast 1 on Rival.

GLM 4.6 and Grok Code Fast 1 compared across 55 shared prompts
Spec	GLM 4.6	Grok Code Fast 1
Win rate	83%	17%
Input price	$0.4/M tokens	$0.2/M tokens
Output price	$1.75/M tokens	$1.5/M tokens
Context window	203K tokens	256K tokens
Released	Sep 2025	Aug 2025
SWE-bench Verified	68.0%	70.8%

Our Verdict

GLM 4.6Winner

Grok Code Fast 1Runner-up

Pick GLM 4.6. In 53 blind votes, GLM 4.6 wins 83% of the time. That's not luck.

GLM 4.6 wins 3 categories, Reasoning by the widest margin.

Clear winner

What do GLM 4.6 and Grok Code Fast 1 say about your brand?

10 models, one question, verbatim receipts.

or peek at a demo: Notion Linear Vercel

API pricing

Cost per 1M tokens

GLM 4.6

Input

$0.40

Output

$1.75

Grok Code Fast 1

Input

$0.20

2.0× cheaper

Output

$1.50

1.2× cheaper

Grok Code Fast 1 is cheaper on both — 2.0× input, 1.2× output

Writing DNA

Style Comparison

Similarity

36%

Grok Code Fast 1 uses 3.4x more hedging

GLM 4.6

Grok Code Fast 1

52%Vocabulary60%

14wSentence Length17w

0.29Hedging0.97

5.2Bold2.8

3.2Lists2.5

0.18Emoji0.06

0.57Headings0.89

0.09Transitions0.11

Based on 22 + 23 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

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Grok Code Fast 1 vs GPT OSS 120BNew provider

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GLM 4.6 vs MiniMax M2-herNew provider

GLM 4.6 vs MiniMax M2.1New provider

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Updated Sep 2025

GLM 4.6vsGrok Code Fast 1

GLM 4.6 wins 83% of 53 blind community votes against Grok Code Fast 1 on Rival.

GLM 4.6 and Grok Code Fast 1 compared across 55 shared prompts
Spec	GLM 4.6	Grok Code Fast 1
Win rate	83%	17%
Input price	$0.4/M tokens	$0.2/M tokens
Output price	$1.75/M tokens	$1.5/M tokens
Context window	203K tokens	256K tokens
Released	Sep 2025	Aug 2025
SWE-bench Verified	68.0%	70.8%

Our Verdict

GLM 4.6Winner

Grok Code Fast 1Runner-up

Pick GLM 4.6. In 53 blind votes, GLM 4.6 wins 83% of the time. That's not luck.

GLM 4.6 wins 3 categories, Reasoning by the widest margin.

Clear winner

What do GLM 4.6 and Grok Code Fast 1 say about your brand?

10 models, one question, verbatim receipts.

or peek at a demo: Notion Linear Vercel

API pricing

Cost per 1M tokens

GLM 4.6

Input

$0.40

Output

$1.75

Grok Code Fast 1

Input

$0.20

2.0× cheaper

Output

$1.50

1.2× cheaper

Grok Code Fast 1 is cheaper on both — 2.0× input, 1.2× output

Writing DNA

Style Comparison

Similarity

36%

Grok Code Fast 1 uses 3.4x more hedging

GLM 4.6

Grok Code Fast 1

52%Vocabulary60%

14wSentence Length17w

0.29Hedging0.97

5.2Bold2.8

3.2Lists2.5

0.18Emoji0.06

0.57Headings0.89

0.09Transitions0.11

Based on 22 + 23 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Grok Code Fast 1 vs MiniMax M3New provider

Grok Code Fast 1 vs Ox AlphaNew provider

Grok Code Fast 1 vs GPT OSS 120BNew provider

GLM 4.6 vs Claude Opus 4New provider

GLM 4.6 vs MiniMax M2-herNew provider

GLM 4.6 vs MiniMax M2.1New provider

GLM 4.6 vs MiniMax M2.5New provider

GLM 4.6 vs MiniMax M2.7New provider