ChatGPT: what OpenAI says about your data
On personal plans, OpenAI says conversations help train its models unless you turn that off. On its business plans, its privacy page says it does not train on business data.
Sources checked November 7, 2026
Personal plans
Signed-in personal accounts
- Training on your content
- OpenAI’s data controls page says ChatGPT improves by training on conversations unless you choose to disable training.
- How long it is kept
- Temporary Chats are deleted within 30 days and are not used for training. The page gives no period for ordinary chats you delete.
- Your controls
- Settings › Data Controls › "Improve the model for everyone" turns training off for that account.
Business plans
ChatGPT business plans (the page does not list them by name)
- Training on your content
- OpenAI’s enterprise privacy page says it does not train on business data.
- How long it is kept
- The page says the customer controls how long data is kept on ChatGPT Enterprise.
- Your controls
- The page lists SAML single sign-on and fine-grained control over access and features.
In OpenAI's words
What to write in your AI register
- Which plan your business uses, and whether staff sign in with company or personal accounts.
- Whether the training setting is on or off, who checked it and when.
- What kinds of data staff may put in (for example: no client names, no payment data).
Sources
Policies change; check the linked page before you decide. This page describes what the vendor says. It is not legal advice and not a review of the vendor.