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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 Contributor0/10041/10079/10092/10083/1000/100
GPT-5.6 Luna69/10081/10057/10098/10050/10064/100
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
111K
275K
Completed sessions
266,513,799
1,760,539
Token share
0.65%
0.15%
Tokens
8.6T-73%
2T-69%
SEP 11NOV 5
SEP 11NOV 5
RetentionWeek 1
Returning users
63.2%1.7K user-weeks
52.5%23K user-weeks

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