ChatGPT & Claude (MCP)
How to Stop Claude From Training on Your Data
Is Claude using your data to train its models? Unless you have turned off one setting, yes. It is a single toggle in your privacy settings and takes about 15 seconds. In Claude, click your name in the bottom left corner, open Settings, then Privacy. Under Preferences, find Help improve our AI models and switch it off. Once that toggle is off, Anthropic does not use your chat conversations to train its models, and your chats and projects keep working exactly as before. It is worth doing if you paste real work into Claude: client emails, drafts, notes from calls. None of that belongs in a training set. The setting is per account, so if you use Claude on more than one account, check each one. ChatGPT has the same default, and the same 20-second fix.
Step by step
- 01
Click your name in the bottom left corner
In Claude, your name sits in the bottom left of the sidebar. Click it to open the account menu.
- 02
Open Settings, then Privacy
Choose Settings from the menu, then open the Privacy section.
- 03
Turn off Help improve our AI models
Under Preferences, find the toggle labelled Help improve our AI models and switch it off. That is the whole fix. From here on Anthropic does not use your conversations to train its models, and nothing about your chats or projects changes.
- 04
Repeat on every Claude account you use
The setting is per account. If you have a personal account and a work account, or you use Claude on more than one email, check each one.
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