GPT-4.1 Nano vs Meta: Muse Spark 1.1
Compare GPT-4.1 Nano by OpenAI against Meta: Muse Spark 1.1 by Meta AI, context windows of 1.0M vs 1.0M, tested across 53 shared challenges.
Our Verdict
Meta: Muse Spark 1.1
GPT-4.1 NanoRunner-up
No community votes yet. On paper, Meta: Muse Spark 1.1 has the edge — bigger model tier, newer.
GPT-4.1 Nano is 11x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
GPT-4.1 Nano
Input
$0.10
13× cheaper
Output
$0.40
11× cheaper
Meta: Muse Spark 1.1
Input
$1.25
Output
$4.25
GPT-4.1 Nano is cheaper on both — 13× input, 11× output
Writing DNA
Style Comparison
Similarity
27%
GPT-4.1 Nano
Meta: Muse Spark 1.1
57%Vocabulary61%
25wSentence Length20w
0.72Hedging0.10
5.6Bold3.7
4.9Lists2.0
0.00Emoji0.01
0.71Headings0.52
0.22Transitions0.02
Based on 24 + 29 text responses
Research
What we learned reading every model
FAQ
