Note quite sure from the docs:<p>- <a href="https://openai.com/policies/data-processing-addendum" rel="nofollow">https://openai.com/policies/data-processing-addendum</a>
8. Term; Data Return and Deletion<p>- <a href="https://openai.com/policies/privacy-policy" rel="nofollow">https://openai.com/policies/privacy-policy</a>
4. Your rights (Delete your Personal Information from our records) [note: BTW "for your rights" really on purpose?]
At this point assuming that a tech company deletes anything and not put it in deep storage with "very deleted" flag is just naive if they can afford the storage.