Claude.ai switches to opt-out consent model for personal data usage in AI model training
Summary
Details Claude.ai's transition from an opt-in to an opt-out consent model for using personal data in AI model training, effective September 25, 2025.
Key quotes
Claude.ai revised its Privacy Policy, moving from an opt-in to an opt-out consent model.
Input and Output data may be used to train models and improve services unless users disable this setting in their account.
The memo explains that Anthropic’s Claude.ai updated its privacy policy to automatically include user data for training unless explicitly disabled. It also notes the addition of device location collection.