Stop ChatGPT, Claude and Gemini training on your chats

Three switches, about 30 seconds. Then clean up what ChatGPT remembers, and use a temporary chat for anything private.

TimeAbout 30 seconds

AppsChatGPT, Claude, Gemini

Private chatsChatGPT temporary chat, Claude incognito

Checked on 15 Oct 2026. Tools change fast, so the official page always wins if it says something different.

Step by step

Tap your profile → Settings → Data controls → switch off Improve the model for everyone.

Settings → Privacy → switch off Help improve our AI models.

Settings & help → Activity → turn off Keep Activity.

Settings → Personalization → Memory. Delete anything you don't want it to keep.

ChatGPT temporary chats aren't used to train models. Claude has incognito chats that aren't used for training either.

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Thumbs up and thumbs down can still be used for training, even after you opt out. OpenAI and Anthropic both say this. Skip the feedback buttons on private chats.
Temporary doesn't mean deleted straight away. ChatGPT keeps temporary chats for up to 30 days for safety.
Gemini still keeps chats for up to 72 hours, even with Keep Activity off.
Menus change. These labels were right on 15 Oct 2026. If you can't find one, look in the app's help pages.
Never paste passwords or bank details into any AI chat.

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