Does DeepSeek train on your data?
deepseek.com
Yes, by default. DeepSeek's published policy says it trains on your data, but you can opt out. As of 24 October 2026. Source: cdn.deepseek.com.
PolicyPeek gives DeepSeek the badge "Trains by default, you can opt out". Its published policy allows training on your data by default, but describes a way to opt out. What we recorded from the policy: Uses Inputs and Outputs to improve its services; "you can opt out by turning off "Improve the model for everyone"." It doesn't state how long your data is kept. Last checked 24 October 2026 against 1 policy page from cdn.deepseek.com.
Does DeepSeek train on my data?
Two different things often get mixed up. Used to train models means your content helps build or improve the AI itself, so it can shape what the model produces later. Used to provide the feature means your content is processed to give you the answer, summary or suggestion you asked for, which any AI feature has to do. PolicyPeek's badge is about the first one only.
- Used to train models
- Yes, according to the policy
- Used to provide the feature
- Not rated by PolicyPeek; see the source
What DeepSeek's policy says (cdn.deepseek.com):
you can opt out by turning off
Can I opt out of DeepSeek AI training?
What DeepSeek's policy says about opting out:
you can opt out by turning off
Check the current wording and steps on cdn.deepseek.com before you rely on them.
Is DeepSeek safe for UK GDPR?
PolicyPeek hasn't recorded whether DeepSeek's published policy mentions GDPR. PolicyPeek doesn't assess whether a tool meets GDPR; the badge only reports what the policy says about training.
In the UK: if personal data is involved, the UK GDPR applies to how it's used, including for AI. This page only reports what the vendor's published policy says about training — it is not a finding that DeepSeek meets UK GDPR, and it is not legal advice. The Information Commissioner's Office publishes guidance on AI and data protection.
Common questions about DeepSeek
Can I stop DeepSeek training on my data?
Yes. DeepSeek's published policy says it may train on your data by default but describes a way to opt out. The policy wording PolicyPeek recorded is shown above.
How long does DeepSeek keep my data?
DeepSeek's published policy, as read by PolicyPeek, doesn't state how long your data is kept.
Does DeepSeek's policy mention GDPR?
PolicyPeek hasn't recorded whether DeepSeek's policy mentions GDPR.
How does DeepSeek compare with other AI tools?
26 of the 65 AI tools PolicyPeek lists share DeepSeek's badge, "Trains by default, you can opt out". See the related tools below or browse all tools.
What the policy says
Read from its own policyVerdict: Trains by default, you can opt out
Their published policy says your data may be used for training unless you switch it off.
Why
Uses Inputs and Outputs to improve its services; "you can opt out by turning off "Improve the model for everyone"."
- Trains on user data
- Yes
- Data retention
- Not stated
- GDPR mentioned
- Unclear from policy
- Last checked
- Reviewed by a human
- Yes