Policy Details & Nuances
Free consumer chats on DeepSeek Chat are used to train and optimize models by default. API platform usage is excluded from training.
In consumer settings, turn off the 'Improve the model for everyone' toggle to opt out of the model training program.
Retention Period
Retained as long as necessary for business purposes. De-identified or aggregated data may be retained indefinitely.
Deletion on Request
YesYou can delete chats from your history or request full account deletion. Deletion requests are processed per local regulations (such as CAC in China and GDPR in Europe).
Shared with affiliates, infrastructure providers, and authorities under Chinese cybersecurity laws and international compliance rules.
Conversations may be reviewed by human annotators for compliance with Chinese safety laws (CAC) and model optimization.
Context & Variations
Domestic Chinese users are subject to CAC regulation. International users have separate privacy policies and data hosted outside mainland China (e.g., Singapore).
Limited to users 18 years or older. Underage accounts are terminated upon discovery.
DeepSeek API platform usage does not train on query data by default. It offers temporary data caching (up to 30 days) for abuse detection and complies with standard enterprise security expectations.
