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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 Contributor0/10040/10084/10092/10083/1000/100
GPT-5.6 Luna67/10081/10063/10098/10050/10064/100
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
463K
516K
Completed sessions
323,458,344
2,142,955
Token share
4.1%
0.53%
Tokens
39T+100%
5.1T+84%
AUG 15OCT 9
AUG 15OCT 9
RetentionWeek 1
Returning users
78.3%8.9K user-weeks
55.3%49K user-weeks

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