What is the difference between Meta: Muse Spark 1.1 and OpenAI o4-mini?

Meta: Muse Spark 1.1 is developed by Meta AI while OpenAI o4-mini is developed by OpenAI. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

Which is better, Meta: Muse Spark 1.1 or OpenAI o4-mini?

It depends on your use case. Meta: Muse Spark 1.1 and OpenAI o4-mini 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 Meta: Muse Spark 1.1 cost compared to OpenAI o4-mini?

Meta: Muse Spark 1.1 costs $1.25/M input tokens and OpenAI o4-mini costs $1.1/M input tokens. OpenAI o4-mini is $0.15/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 Meta: Muse Spark 1.1 and OpenAI o4-mini on Rival?

This page shows a side-by-side comparison of Meta: Muse Spark 1.1 and OpenAI o4-mini 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 Meta: Muse Spark 1.1 and OpenAI o4-mini?

Meta: Muse Spark 1.1 is developed by Meta AI while OpenAI o4-mini is developed by OpenAI. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

Which is better, Meta: Muse Spark 1.1 or OpenAI o4-mini?

It depends on your use case. Meta: Muse Spark 1.1 and OpenAI o4-mini 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 Meta: Muse Spark 1.1 cost compared to OpenAI o4-mini?

Meta: Muse Spark 1.1 costs $1.25/M input tokens and OpenAI o4-mini costs $1.1/M input tokens. OpenAI o4-mini is $0.15/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 Meta: Muse Spark 1.1 and OpenAI o4-mini on Rival?

This page shows a side-by-side comparison of Meta: Muse Spark 1.1 and OpenAI o4-mini 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.

Meta: Muse Spark 1.1 vs OpenAI o4-mini: Which Is Better?

Updated Jul 2026

Our Verdict

Meta: Muse Spark 1.1

OpenAI o4-miniRunner-up

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

Too close to call

API pricing

Cost per 1M tokens

Meta: Muse Spark 1.1

Input

$1.25

Output

$4.25

OpenAI o4-mini

Input

$1.10

1.1× cheaper

Output

$4.40

OpenAI o4-mini wins input (1.1× cheaper)·Meta: Muse Spark 1.1

Writing DNA

Style Comparison

Similarity

72%

Meta: Muse Spark 1.1 uses 371.3x more bold

Meta: Muse Spark 1.1

OpenAI o4-mini

61%Vocabulary73%

20wSentence Length15w

0.10Hedging0.18

3.7Bold0.0

2.0Lists2.1

0.01Emoji0.00

0.52Headings0.00

0.02Transitions0.02

Based on 29 + 10 text responses

Research

What we learned reading every model

Meta: Muse Spark 1.1 and OpenAI o4-mini 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

OpenAI o4-mini vs MiniMax M3New provider

OpenAI o4-mini vs Gemini 3.5 FlashNew provider

OpenAI o4-mini vs Claude Sonnet 4New provider

Updated Jul 2026

Our Verdict

Meta: Muse Spark 1.1

OpenAI o4-miniRunner-up

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

Too close to call

API pricing

Cost per 1M tokens

Meta: Muse Spark 1.1

Input

$1.25

Output

$4.25

OpenAI o4-mini

Input

$1.10

1.1× cheaper

Output

$4.40

OpenAI o4-mini wins input (1.1× cheaper)·Meta: Muse Spark 1.1

Writing DNA

Style Comparison

Similarity

72%

Meta: Muse Spark 1.1 uses 371.3x more bold

Meta: Muse Spark 1.1

OpenAI o4-mini

61%Vocabulary73%

20wSentence Length15w

0.10Hedging0.18

3.7Bold0.0

2.0Lists2.1

0.01Emoji0.00

0.52Headings0.00

0.02Transitions0.02

Based on 29 + 10 text responses

Research

What we learned reading every model

Meta: Muse Spark 1.1 and OpenAI o4-mini 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

OpenAI o4-mini vs MiniMax M3New provider

OpenAI o4-mini vs Gemini 3.5 FlashNew provider

OpenAI o4-mini vs Claude Sonnet 4New provider