Your Claude chats are being used to train AI — here's how to opt out
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Anthropic now uses Claude conversations to train its AI models unless you manually opt out. The company changed its privacy policy last month, reversing its previous stance of not using chat data for training purposes.
Now that Claude 4.5 is here , the new policy affects all free and paid Claude users. Your chats and coding sessions could become training data for future models unless you turn off a specific setting. Anthropic enabled this by default, so you need to take action to protect your privacy.
The opt-out process is straightforward and takes less than a minute. Here's exactly where to find the setting and how to disable it.
What this policy covers
Both regular chats and coding sessions are included in the training policy. If you use Claude for programming help, those conversations become training data unless you opt out.
Old conversations become training data if you open them again after the policy change. Your complete chat history isn't automatically included — only conversations you access after October 8, 2025.
Anthropic keeps your data for five years whether or not you opt out of training.The company extended its retention period from 30 days, so your conversations remain stored much longer than before.
Who needs to opt out?
Free and paid personal Claude users must opt out manuallyif they want privacy. The setting applies to all standard accounts regardless of subscription level.
Commercial, government, and educational account users are automatically exempt.Enterprise accounts aren't affected by the policy change and conversations from these users won't be used for training.
New users see the choice during signupbut the training option is enabled by default. You need to actively disable it even when creating a new account.
How to opt out of Claude AI training on your chats
1. Access Privacy Settings
Open Claude and click your profile icon or nameto access account settings. The Privacy Settings option appears in the dropdown menu or settings panel.
Then navigate to Privacyby clicking it from the menu. This section controls all privacy-related features including data training permissions.
2. Find the training toggle
Locate the setting labeled Help improve Claudein Privacy Settings. This controls whether Anthropic uses your conversations to train AI models.
Check the current position of the toggle switch. If it's turned on (positioned to the right and highlighted), Anthropic is currently using your chats for training.
3. Turn off data training
Click the toggle to switch it offso it moves to the left and turns gray. This disables training on your conversations.
The change takes effect immediatelyonce you turn off the toggle. New chats and any old conversations you revisit after this point won't be used for training.
