By default a personal ChatGPT account can have "Improve the model for everyone" switched on, which lets your chats help train the model.
Here are the steps to turn it off, and when to use a Temporary Chat instead.
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Get the full setup steps + the copy-paste setup prompt
The rest of this guide (3 more sections) opens right here. The setup prompt, one paste into Claude that sets it all up, comes by email only. Use your real address.
Unlocks: The steps · The catch · Sources
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