DeepSeek — privacy & data policy

Provider: DeepSeek. PromptPrivacy score: 53/100. Last verified August 26, 2026.

What happens to your data?

When you interact with DeepSeek, your prompts, uploads, and account details are collected and stored primarily on servers located in China. DeepSeek uses this data to provide AI responses, improve services, and train its models unless you opt out. Your information may also be shared with corporate affiliates, service providers, and legal authorities when required.

Does it train on your data?

DeepSeek uses personal data—including user inputs, prompts, and interactions—to develop, improve, and train its machine learning models and algorithms. Users have the right to request an opt-out from model training by submitting a request.

Can you opt out?

Yes. DeepSeek explicitly includes the right to opt out of having your personal data used for training models or optimizing technologies. Users can also manage chat history in settings or submit formal opt-out requests via email.

Data retention

Personal data, including account details and user inputs, is kept for as long as you maintain an active account. When data is no longer necessary for providing services, fulfilling legitimate interests, or complying with legal claims, it is erased, destroyed, or converted into an anonymous form.

Encryption & security

DeepSeek states that it employs commercially reasonable technical, administrative, and physical security measures to protect data from unauthorized access or loss. However, it does not specify exact encryption standards (such as in-transit or at-rest encryption) or third-party security certifications.

Is it safe for work?

Exercise caution for confidential, proprietary, or regulated work data. User data and inputs are stored and processed on servers in China, used for model training by default, and shared with third-party API providers, with no dedicated enterprise DPA or specific encryption standards specified in this general policy.

Source policy: https://cdn.deepseek.com/policies/en-US/deepseek-privacy-policy.html