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Compare AI models: GPT-5.6 Luna vs GLM-5.3

  1. GPT-5.6 LunaOpenAI
  2. GLM-5.3Zhipu
ReasoningCodingCost efficiencyContext windowMultimodalTool use
Normalized model capability scores
ModelReasoningCodingCost efficiencyContext windowMultimodalTool use
GPT-5.6 Luna69/10081/10058/10098/10050/10064/100
GLM-5.385/100100/10031/10081/1000/100100/100
Overview
Author
Context length
1.1M
1M
Reasoning
True
True
Input modalities
Text, Image, Pdf
Text
Output modalities
Text
Text
Providers
Pricing
Input
$0.20/ 1M
$1.20/ 1M
Output
$1.20/ 1M
$4.18/ 1M
Cached input
$0.02/ 1M
$0.30/ 1M
MomentumLast 2 mo
Unique users
340K
274K
Completed sessions
2,019,664
834,751
Token share
0.23%
0.1%
Tokens
2.7T-51%
1.2T+39%
AUG 31OCT 25
AUG 31OCT 25
RetentionWeek 1
Returning users
56.8%32K user-weeks
47.9%20K user-weeks

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