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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 Contributor0/10041/10082/10092/10083/1000/100
GPT-5.6 Luna65/10081/10059/10098/10050/10064/100
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
67K
228K
Completed sessions
213,093,912
1,537,099
Token share
0.34%
0.1%
Tokens
4.9T-86%
1.5T-79%
SEP 19NOV 13
SEP 19NOV 13
RetentionWeek 1
Returning users
58.3%1.2K user-weeks
50%19K user-weeks

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