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Compare AI models: Muse Spark 1.2 Contributor vs GPT-5.6 Luna

  1. Muse Spark 1.2 ContributorMeta
  2. GPT-5.6 LunaOpenAI
ReasoningCodingCost efficiencyContext windowMultimodalTool use
Normalized model capability scores
ModelReasoningCodingCost efficiencyContext windowMultimodalTool use
Muse Spark 1.2 Contributor0/10041/10080/10092/10083/1000/100
GPT-5.6 Luna65/10081/10058/10098/10050/10064/100
Overview
Author
Context length
1M
1.1M
Reasoning
True
True
Input modalities
Text, Image, Video, Pdf, Audio
Text, Image, Pdf
Output modalities
Text
Text
Providers
Pricing
Input
$0.10/ 1M
$0.20/ 1M
Output
$0.20/ 1M
$1.20/ 1M
Cached input
$0.002/ 1M
$0.02/ 1M
MomentumLast 2 mo
Unique users
81K
248K
Completed sessions
234,421,142
1,646,219
Token share
0.44%
0.12%
Tokens
6.1T-82%
1.7T-76%
SEP 16NOV 10
SEP 16NOV 10
RetentionWeek 1
Returning users
58.3%1.2K user-weeks
50%19K user-weeks

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