Can you turn off AI training in DeepSeek (app & web chat)?

Yes. Turn off "Improve the model for everyone" in settings. Source: cdn.deepseek.com/policies/en-US/deepseek-terms-of-use.html (checked Oct 18, 2026), cdn.deepseek.com/policies/en-US/deepseek-privacy-policy.html (checked Oct 18, 2026).

How long does DeepSeek (app & web chat) keep your data?

As long as you have an account. Longer if needed for legal claims, violations or 'legitimate business interest'. Source: cdn.deepseek.com/policies/en-US/deepseek-privacy-policy.html (checked Oct 18, 2026).

Where does DeepSeek (app & web chat) store your data?

Stored in the People's Republic of China. Operated by Hangzhou DeepSeek Artificial Intelligence Co., Ltd. Source: cdn.deepseek.com/policies/en-US/deepseek-privacy-policy.html (checked Oct 18, 2026).

How do I turn off AI training in DeepSeek (app & web chat)?

Turn off "Improve the model for everyone" in DeepSeek settings. Web and desktop: Open DeepSeek settings. Turn off "Improve the model for everyone".

Does DeepSeek (app & web chat) train on your data?

Q: Does DeepSeek (app & web chat) train on your data by default?

Yes, opt-out. The privacy policy lists training models as a use of your data. The terms say de-identified inputs and outputs may be used to improve the service unless you turn off "Improve the model for everyone". The pages do not literally say the toggle starts on. Source: cdn.deepseek.com/policies/en-US/deepseek-privacy-policy.html (checked Oct 18, 2026), cdn.deepseek.com/policies/en-US/deepseek-terms-of-use.html (checked Oct 18, 2026).

Q: How long does DeepSeek (app & web chat) keep data after you delete it?

Unknown. No specific deletion window stated. The policy says data is destroyed or anonymized when no longer required.

Q: Do people at DeepSeek review DeepSeek (app & web chat) chats?

Unknown. Not stated on any vendor page we checked.

Q: Does DeepSeek (app & web chat) have a temporary or incognito chat?

Unknown. No temporary/incognito chat mode found on the pages checked.

Personal plan DeepSeek · Assistant · Last verified Nov 9, 2026

Trains by default

The vendor may use data from your personal account to train models unless you opt out. See the exceptions and limits below.

Short answer: Yes, opt-out

The privacy policy lists training models as a use of your data. The terms say de-identified inputs and outputs may be used to improve the service unless you turn off "Improve the model for everyone". The pages do not literally say the toggle starts on.

Source: cdn.deepseek.com/policies/en-US/deepseek-privacy-policy.html, cdn.deepseek.com/policies/en-US/deepseek-terms-of-use.html

Why this matters: "De-identified" removes names, not the substance of what was said or written. What "de-identified" covers →

4 of 13 fields confirmed from vendor pages·How to turn off training ↓

Covers: Free. Compliance fields (SOC 2, ISO, DPA, BAA) have not been checked yet for personal plans.

Personal vs business plan

The same assistant can have different data terms depending on the plan. Here is DeepSeek (app & web chat) next to DeepSeek API (Open Platform).

What we checked	Personal DeepSeek (app & web chat)	Business DeepSeek API (Open Platform)
Trains on your data by default	Yes, opt-out	Unknown
Data retention	As long as you have an account	Unknown
Data location / residency	Stored in the People's Republic of China	Unknown
SOC 2 Type II	Not checked yet	Unknown
DPA available	Not checked yet	Unknown
BAA / HIPAA	Not checked yet	Unknown

See the business plan: DeepSeek API (Open Platform) → Full side-by-side comparison

Summary of DeepSeek's public pages as of Nov 9, 2026. Not legal advice: terms vary by plan and contract and can change. Confirm with DeepSeek before relying on it.

Trains on your data by default

Yes, opt-out

Source:

cdn.deepseek.com/policies/en-US/deepseek-privacy-policy.html · checked Oct 18, 2026
“To improve and develop the Services and to train and improve our technology, such as our machine learning models and algorithms.”
cdn.deepseek.com/policies/en-US/deepseek-terms-of-use.html · checked Oct 18, 2026
“we may, to a minimal extent, use Inputs and Outputs to provide, maintain, operate, develop or improve the Services or the underlying technologies supporting the Services.”
cdn.deepseek.com/policies/en-US/deepseek-terms-of-use.html · checked Oct 18, 2026
“If you refuse to allow us to process the data in the manner described above, you can opt out by turning off "Improve the model for everyone".”

Can you turn training off?

Yes

Turn off "Improve the model for everyone" in settings.

Source:

cdn.deepseek.com/policies/en-US/deepseek-terms-of-use.html · checked Oct 18, 2026
“If you refuse to allow us to process the data in the manner described above, you can opt out by turning off "Improve the model for everyone".”
cdn.deepseek.com/policies/en-US/deepseek-privacy-policy.html · checked Oct 18, 2026
“the right to opt-out of using your Personal Data for training our models or optimizing our technologies.”

Data retention

As long as you have an account

Longer if needed for legal claims, violations or 'legitimate business interest'.

Source:

cdn.deepseek.com/policies/en-US/deepseek-privacy-policy.html · checked Oct 18, 2026
“For example, when we process your Personal Data to provide you with the Services, we keep this Personal Data for as long as you have an account.”
cdn.deepseek.com/policies/en-US/deepseek-privacy-policy.html · checked Oct 18, 2026
“when we have a legitimate business interest to do so (such as improving and developing our Services and enhancing their safety, security and stability)”

Retention after you delete

Unknown

No specific deletion window stated. The policy says data is destroyed or anonymized when no longer required.

Human review of chats

Unknown

Not stated on any vendor page we checked.

Temporary / incognito chat

Unknown

No temporary/incognito chat mode found on the pages checked.

Data location

Stored in the People's Republic of China

Operated by Hangzhou DeepSeek Artificial Intelligence Co., Ltd.

Source:

cdn.deepseek.com/policies/en-US/deepseek-privacy-policy.html · checked Oct 18, 2026
“To provide you with our services, we directly collect, process and store your Personal Data in People's Republic of China.”