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GPT-5.6 Luna
gpt-5.6-luna · OpenAI
Low-cost GPT-5.6 model with configurable reasoning effort and up to 128K output tokens.
Context
1.05M
Input
$0.20/M
Output
$1.20/M
Released
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text inputtext outputOpenAI
Model id
gpt-5.6-lunaUse this string as model in your request.
Availability
Catalog only. Not routed by the gateway yet.
Official model page: developers.openai.com