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Compare AI models: LongCat-2.0 vs GPT-5.6 Luna

  1. LongCat-2.0Meituan
  2. GPT-5.6 LunaOpenAI
ReasoningCodingCost efficiencyContext windowMultimodalTool use
Normalized model capability scores
ModelReasoningCodingCost efficiencyContext windowMultimodalTool use
LongCat-2.029/10069/10056/10080/1000/10029/100
GPT-5.6 Luna65/10081/10058/10098/10050/10064/100
Overview
Author
Context length
1M
1.1M
Reasoning
True
True
Input modalities
Text
Text, Image, Pdf
Output modalities
Text
Text
Providers
Pricing
Input
$0.30/ 1M
$0.20/ 1M
Output
$1.20/ 1M
$1.20/ 1M
Cached input
$0.006/ 1M
$0.02/ 1M
MomentumLast 2 mo
Unique users
50K
212K
Completed sessions
534,544
1,445,753
Token share
0.02%
0.09%
Tokens
305B-39%
1.3T-81%
SEP 21NOV 15
SEP 21NOV 15
RetentionWeek 1
Returning users
61.3%599 user-weeks
50%19K user-weeks

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