GPT-5.6 Luna (old default, being replaced) in ChatGPT
Which ChatGPT plans have GPT-5.6 Luna?
Plus, Pro 100, Pro 200, Pro 500, Business Standard, Business Premium and Enterprise: Yes. Free, Go and Edu: Not checked yet*.
Your plan
We haven't checked whether GPT-5.6 Luna (old default, being replaced) is in ChatGPT Free.
We haven't checked whether GPT-5.6 Luna (old default, being replaced) is in ChatGPT Go.
Yes. ChatGPT Plus has GPT-5.6 Luna (old default, being replaced).
Yes. ChatGPT Pro 100 has GPT-5.6 Luna (old default, being replaced).
Yes. ChatGPT Pro 200 has GPT-5.6 Luna (old default, being replaced).
Yes. ChatGPT Pro 500 has GPT-5.6 Luna (old default, being replaced).
Yes. ChatGPT Business Standard has GPT-5.6 Luna (old default, being replaced).
Yes. ChatGPT Business Premium has GPT-5.6 Luna (old default, being replaced).
Yes. ChatGPT Enterprise has GPT-5.6 Luna (old default, being replaced).
We haven't checked whether GPT-5.6 Luna (old default, being replaced) is in ChatGPT Edu.
Tell us your plan to see the answer for it.
In each plan
For you
| Free | Not checked yet* |
|---|---|
| Go | Not checked yet* |
| Plus | Yes |
| Pro 100 | YesUnlimited |
| Pro 200 | YesUnlimited |
| Pro 500 | YesUnlimited |
For teams, companies and schools
| Business Standard | YesFlexible |
|---|---|
| Business Premium | YesFlexible |
| Enterprise | YesFlexible |
| Edu | Not checked yet* |
Source for Plus, Pro 100, Pro 200 and Pro 500: Plans and Pricing, checked on 20 Oct 2026
Source for Business Standard, Business Premium and Enterprise: Business Pricing, checked on 20 Oct 2026