# clm_B24DF9C11783

subject: GPT-6 Luna (/record/gpt-6-luna.md)  
predicate: predecessor  
value: [GPT-5.6 Luna](/record/gpt-5-6-luna.md)  
valid_from: 2026-09-22  
valid_to: null  
published: 2026-09-22  
recorded: 2026-11-04  
confidence: 0.95  
status: valid  
assertable: true  
superseded_by: null  
last_updated: 2026-11-04  
checked: 2026-11-04 · its source page states the value and the date  

> GPT-6 Sol and GPT-6 Luna are rolling out to Codex and ChatGPT Work at lower token prices than their GPT-5.6 predecessors.

What https://learn.chatgpt.com/docs/changelog says, word for word.

## Sources

- https://learn.chatgpt.com/docs/changelog (primary, OpenAI (ChatGPT/Codex changelog), published 2026-09-22)

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