This model has a published shutdown date, and the catalogue no longer lists it.
retires 2027-02-26
It left the catalogue before this site started watching, so there is no removal date here - only the vendor's own.
Read the vendor page this date came from
Everything else that is going away
Other OpenAI models that are still listed.
To find every place that calls it before then:
curl -sO https://neosignal-ai.vercel.app/check.py
python check.py .
Check this model and the rest of your stack It opens with this id already filled in. Nothing is stored - the list lives in the link.