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CompareAI models

  1. GPT-5.6 LunaOpenAI
  2. Step 5 PreviewStepFun
ReasoningCodingCost efficiencyContext windowMultimodalTool use
Normalized model capability scores
ModelReasoningCodingCost efficiencyContext windowMultimodalTool use
GPT-5.6 Luna37/10081/10064/10098/10050/10069/100
Step 5 Preview100/100No data43/10081/10050/100No data
Overview
Author
Context length
1.1M
1M
Reasoning
True
True
Input modalities
Text, Image, Pdf
Text, Image, Video
Output modalities
Text
Text
Providers
Pricing
Input
$0.20/ 1M
$1.00/ 1M
Output
$1.20/ 1M
$2.70/ 1M
Cached input
$0.02/ 1M
$0.05/ 1M
MomentumLast 2 mo
Unique users
616K
No usage
Completed sessions
1,843,623
No usage
Token share
1.01%
No usage
Tokens
7.2T+100%
No usage
JUL 28SEP 21
No trend data
RetentionWeek 1
Returning users
58.8%45K user-weeks
Pending

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