What is the difference between Grok Code Fast 1 and Muse Spark 1.1?

Grok Code Fast 1 is developed by xAI while Muse Spark 1.1 is developed by Meta AI. Grok Code Fast 1 has a 256K token context window vs Muse Spark 1.1's 1.0M. You can compare their actual outputs across 54 challenges on Rival to see how they differ in practice.

Which is better, Grok Code Fast 1 or Muse Spark 1.1?

It depends on your use case. Grok Code Fast 1 and Muse Spark 1.1 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 54 challenges so you can judge which fits your needs best.

How much does Grok Code Fast 1 cost compared to Muse Spark 1.1?

Grok Code Fast 1 costs $0.2/M input tokens and Muse Spark 1.1 costs $1.25/M input tokens. Grok Code Fast 1 is $1.05/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 Grok Code Fast 1 and Muse Spark 1.1 on Rival?

This page shows a side-by-side comparison of Grok Code Fast 1 and Muse Spark 1.1 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 Grok Code Fast 1 and Muse Spark 1.1?

Grok Code Fast 1 is developed by xAI while Muse Spark 1.1 is developed by Meta AI. Grok Code Fast 1 has a 256K token context window vs Muse Spark 1.1's 1.0M. You can compare their actual outputs across 54 challenges on Rival to see how they differ in practice.

Which is better, Grok Code Fast 1 or Muse Spark 1.1?

It depends on your use case. Grok Code Fast 1 and Muse Spark 1.1 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 54 challenges so you can judge which fits your needs best.

How much does Grok Code Fast 1 cost compared to Muse Spark 1.1?

Grok Code Fast 1 costs $0.2/M input tokens and Muse Spark 1.1 costs $1.25/M input tokens. Grok Code Fast 1 is $1.05/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 Grok Code Fast 1 and Muse Spark 1.1 on Rival?

This page shows a side-by-side comparison of Grok Code Fast 1 and Muse Spark 1.1 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.

Grok Code Fast 1 vs Muse Spark 1.1: Which Is Better?

Updated Jul 2026

Our Verdict

Muse Spark 1.1

Grok Code Fast 1Runner-up

No community votes yet. On paper, Muse Spark 1.1 has the edge — bigger model tier, newer, bigger context window.

Slight edge

What do Grok Code Fast 1 and Muse Spark 1.1 say about your brand?

10 models, one question, verbatim receipts.

or peek at a demo: Notion Linear Vercel

API pricing

Cost per 1M tokens

Grok Code Fast 1

Input

$0.20

6.3× cheaper

Output

$1.50

2.8× cheaper

Muse Spark 1.1

Input

$1.25

Output

$4.25

Grok Code Fast 1 is cheaper on both — 6.3× input, 2.8× output

Writing DNA

Style Comparison

Similarity

43%

Grok Code Fast 1 uses 9.9x more hedging

Grok Code Fast 1

Muse Spark 1.1

60%Vocabulary61%

17wSentence Length20w

0.97Hedging0.10

2.8Bold3.7

2.5Lists2.0

0.06Emoji0.01

0.89Headings0.52

0.11Transitions0.02

Based on 23 + 29 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Grok Code Fast 1 vs Ox AlphaNew provider

Grok Code Fast 1 vs MiniMax M3New provider

Grok Code Fast 1 vs GPT-5New provider

Updated Jul 2026

Our Verdict

Muse Spark 1.1

Grok Code Fast 1Runner-up

No community votes yet. On paper, Muse Spark 1.1 has the edge — bigger model tier, newer, bigger context window.

Slight edge

What do Grok Code Fast 1 and Muse Spark 1.1 say about your brand?

10 models, one question, verbatim receipts.

or peek at a demo: Notion Linear Vercel

API pricing

Cost per 1M tokens

Grok Code Fast 1

Input

$0.20

6.3× cheaper

Output

$1.50

2.8× cheaper

Muse Spark 1.1

Input

$1.25

Output

$4.25

Grok Code Fast 1 is cheaper on both — 6.3× input, 2.8× output

Writing DNA

Style Comparison

Similarity

43%

Grok Code Fast 1 uses 9.9x more hedging

Grok Code Fast 1

Muse Spark 1.1

60%Vocabulary61%

17wSentence Length20w

0.97Hedging0.10

2.8Bold3.7

2.5Lists2.0

0.06Emoji0.01

0.89Headings0.52

0.11Transitions0.02

Based on 23 + 29 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Grok Code Fast 1 vs Ox AlphaNew provider

Grok Code Fast 1 vs MiniMax M3New provider

Grok Code Fast 1 vs GPT-5New provider