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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 policy

Verdict: 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

Sources

Guides that cover DeepSeek