GPT-5.1 Codex Max vs Meta: Muse Spark 1.1
Compare GPT-5.1 Codex Max by OpenAI against Meta: Muse Spark 1.1 by Meta AI, tested across 52 shared challenges.
Our Verdict
GPT-5.1 Codex Max
Meta: Muse Spark 1.1
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
Too close to call
API pricing
Cost per 1M tokens
GPT-5.1 Codex Max
Input
—
Output
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Meta: Muse Spark 1.1
Input
$1.25
Output
$4.25
Writing DNA
Style Comparison
Similarity
69%
GPT-5.1 Codex Max
Meta: Muse Spark 1.1
60%Vocabulary61%
16wSentence Length20w
0.36Hedging0.10
2.3Bold3.7
4.2Lists2.0
0.00Emoji0.01
0.12Headings0.52
0.03Transitions0.02
Based on 13 + 29 text responses
Research
What we learned reading every model
FAQ
