GitHub[220K]Try OpenCode

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-2.024/10069/10036/10081/1000/10029/100
GPT-5.6 Luna69/10081/10059/10098/10050/10064/100
Overview
Author
Context length
1M
1.1M
Reasoning
True
True
Input modalities
Text
Text, Image, Pdf
Output modalities
Text
Text
Providers
Pricing
Input
$0.75/ 1M
$0.20/ 1M
Output
$3.00/ 1M
$1.20/ 1M
Cached input
$0.01/ 1M
$0.02/ 1M
MomentumLast 2 mo
Unique users
51K
286K
Completed sessions
542,988
1,816,527
Token share
0.02%
0.16%
Tokens
294B-29%
2.1T-66%
SEP 9NOV 3
SEP 9NOV 3
RetentionWeek 1
Returning users
61.7%643 user-weeks
52.5%23K user-weeks

Related comparisons. Other model pairs to check.