GPT-5.4 Mini vs Meta: Muse Spark 1.1
Compare GPT-5.4 Mini by OpenAI against Meta: Muse Spark 1.1 by Meta AI, context windows of 400K vs 1.0M, tested across 53 shared challenges.
Our Verdict
Meta: Muse Spark 1.1
GPT-5.4 MiniRunner-up
No community votes yet. On paper, Meta: Muse Spark 1.1 has the edge — bigger model tier, newer, bigger context window.
Slight edge
API pricing
Cost per 1M tokens
GPT-5.4 Mini
Input
$0.75
1.7× cheaper
Output
$4.50
Meta: Muse Spark 1.1
Input
$1.25
Output
$4.25
1.1× cheaper
GPT-5.4 Mini wins input (1.7× cheaper)·Meta: Muse Spark 1.1 wins output (1.1× cheaper)
Writing DNA
Style Comparison
Similarity
39%
GPT-5.4 Mini
Meta: Muse Spark 1.1
54%Vocabulary61%
20wSentence Length20w
0.72Hedging0.10
6.0Bold3.7
8.3Lists2.0
0.00Emoji0.01
2.11Headings0.52
0.04Transitions0.02
Based on 23 + 29 text responses
Research
What we learned reading every model
FAQ
