GLM 4.5 Air vs Muse Spark 1.1
Compare GLM 4.5 Air by Zhipu AI against Muse Spark 1.1 by Meta AI, context windows of 128K vs 1.0M, tested across 54 shared challenges.
Our Verdict
Muse Spark 1.1
GLM 4.5 AirRunner-up
No community votes yet. On paper, Muse Spark 1.1 has the edge — newer, bigger context window.
GLM 4.5 Air is 3.9x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
GLM 4.5 Air
Input
$0.20
6.3× cheaper
Output
$1.10
3.9× cheaper
Muse Spark 1.1
Input
$1.25
Output
$4.25
GLM 4.5 Air is cheaper on both — 6.3× input, 3.9× output
Writing DNA
Style Comparison
Similarity
36%
GLM 4.5 Air uses 9.9x more emoji
GLM 4.5 Air
Muse Spark 1.1
48%Vocabulary61%
16wSentence Length20w
0.40Hedging0.10
5.4Bold3.7
4.8Lists2.0
0.10Emoji0.01
0.75Headings0.52
0.12Transitions0.02
Based on 15 + 29 text responses
Research
What we learned reading every model
FAQ
Common questions
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