You can manage cookies, but dependent features may fail
Most browsers offer cookie deletion and management as well as privacy and security settings. DeepSeek says it will strictly respect your cookie choices. Blocking or deleting cookies may prevent login or other cookie-dependent features from working; disabling preference cookies also means DeepSeek cannot know preferences such as language. Necessary cookies can be blocked or made subject to browser prompts, with possible feature failures.
Supporting quotations
Most web browsers provide options to delete or manage cookies, as well as adjust your privacy and security settings. It is important to note that certain features of our products and/or services depend on cookies, and if you decline or delete cookies, you may not be able to log on to or use the services or features we provide that depend on cookies.
You can turn on the cookie function or perform corresponding operations to manage cookies and set your cookie preferences in the browser software. We will strictly respect your choice on use of cookies. The guidance on how to disable, delete or manage cookies in commonly used browser software is detailed as follows:
These cookies are essential in order to enable you to browse and use related functions of the Service. They perform functions like preventing any fraudulent payment activity, etc. You may set up your browser to block or prompt you for these cookies, but some features may not work due to such settings.
We make use of preference cookies to remember your preferences like the language you use. If you disable these cookies, we will not be able to know your preference.
Cross-references
contrast (model-proposed): Blocking necessary cookies can stop features working — contrast: DeepSeek promises to respect browser cookie choices while warning that blocking cookies needed by the service can prevent features or login from working. Respect for the choice does not promise continued functionality.
Use & Processing · Procedure
The policy links to cookie controls for five browsers
The policy directs you to browser guidance for disabling, deleting or managing cookies in Chrome, Microsoft Edge, Safari, Firefox and Opera. The linked help pages are not supplied here, so this card does not describe their instructions.
Supporting quotations
You can turn on the cookie function or perform corresponding operations to manage cookies and set your cookie preferences in the browser software. We will strictly respect your choice on use of cookies. The guidance on how to disable, delete or manage cookies in commonly used browser software is detailed as follows:
The linked browser-help text is not supplied; its steps and current availability are not assessed.
Use & Processing · Procedure
Set cookie preferences separately for each browser and device
Cookie settings are specific to each device and browser. You must configure preferences separately for each browser you use; the policy does not say a choice automatically carries across browsers or devices.
Supporting quotations
Cookie settings are specific to each device and browser, so you will need to configure preferences separately for each browser you use.
Legal Rights & Agreement Rules · Company practice
DeepSeek may update this policy
DeepSeek may update the Cookies Policy and recommends reviewing it occasionally to understand its cookie use. This passage does not promise advance or individual notice of changes.
Supporting quotations
We may update this Cookies Policy and recommend that you review it from time to time to understand how we use cookies.
Legal Rights & Agreement Rules · Procedure
Contact DeepSeek with cookie-policy questions
The policy directs cookie-policy questions to privacy@deepseek.com.
Supporting quotations
If you have any questions about this Cookies Policy, please contact us at privacy@deepseek.com.
Legal Rights & Agreement Rules · Context
Cookies includes pixels and web beacons
This policy uses “cookies” to include similar technologies such as pixels and web beacons. Undefined terms and more information about collection and use are in the linked Privacy Policy, whose contents are not supplied here. This copy states “Last Update: 16 July, 2026.”
Supporting quotations
Last Update: 16 July, 2026
This Cookie Policy provides information about how and when we use cookies and similar technologies such as pixels and web beacons (“cookies”). Terms used in this policy but not defined here have their meaning set forth in our Privacy Policy, which also includes additional details about the collection and use of information at DeepSeek.
Not stated here
The linked Privacy Policy text is not supplied here, so its definitions and additional collection and use terms cannot be assessed from this source.
Data Access & Collection · Context
Cookies can hold identifiers and usage information
The policy describes cookies as small files on your device that help a website or app remember access information. A cookie typically includes its originating domain, validity period and a unique number or other identifiers. It may also contain settings, browsing history and website or app usage history; this is a description of what cookies may contain, not a statement that every listed cookie holds all of this information.
Supporting quotations
Cookies are small files that some websites or applications stored on your device. They help the websites or applications remember information about your access records, so that you may access that websites or applications more easily again. A cookie typically contains the name of the domain name that generated the cookie, the validity period of the cookie, and a randomly generated unique number or other identifiers. Cookies may also contain information about your device, such as user settings, browsing history, as well as history of your usage of a website or application.
Use & Processing · Company practice
DeepSeek uses cookies to provide the service
DeepSeek says it uses cookies to operate and provide the service, including for security.
Supporting quotations
We use cookies to operate and provide the Service. For example, we use cookies for security purposes.
Data Access & Collection · Company practice
First-party cookies may collect information automatically
The policy distinguishes cookies set by the website you visit from those set by third parties. DeepSeek may use its own cookies to collect information about you automatically so you can use the service more easily.
Supporting quotations
Cookies may be set by the website you access (i.e. first-party cookies) or by a third party (i.e. third-party cookies).
First-party cookies. We may use cookies
to automatically collect information about you so that you may use the Service more easily.
Security & Safeguards · Company practice
Third-party cookies can help prevent cyberattacks
DeepSeek’s cookie use includes files third parties store on your device. One example it gives is using third-party cookies to prevent cyberattacks on websites.
Supporting quotations
Third-party cookies. Our use of
cookies also contains cookie files stored on your device by third parties. For example, we may use third-party cookies to prevent cyber-attack activity on websites.
Retention & Deletion · Company practice
Session cookies remember you during a visit
The policy distinguishes session cookies from persistent cookies that survive browser closure. DeepSeek uses temporary session cookies to remember you during a visit; they expire or are removed when you close the browser.
Supporting quotations
In addition, cookies may be automatically deleted when you quit your browser (i.e., session cookies) or saved on your device even after you close your browser (i.e., persistent cookies).
Session cookies are temporary
cookies. We use session cookies to remember you during the course of your visit, and they expire or will be removed when you close the web browser.
Retention & Deletion · Company practice
Persistent cookies remain until their expiration dates
Persistent cookies remember preferences and remain on your device after you close the browser or restart the computer. DeepSeek also uses persistent cookies for security. The policy says they have expiration dates and are removed afterward.
Supporting quotations
Persistent cookies are used to
remember your preferences. They will remain on your device after you close your browser or restart your computer. We use persistent cookies for security purposes. Persistent cookies contain expiration dates. After the expiration date, the cookie will be removed from your device.
Use & Processing · User right or choice
Blocking necessary cookies can stop features working
DeepSeek describes necessary cookies as essential to browsing and using service functions, including preventing fraudulent payments. You can configure your browser to block these cookies or prompt you, but some features may fail. Declining or deleting cookies can also prevent login or use of services or features that depend on cookies.
Supporting quotations
Necessary cookies
These cookies are essential in order to enable you to browse and use related functions of the Service. They perform functions like preventing any fraudulent payment activity, etc. You may set up your browser to block or prompt you for these cookies, but some features may not work due to such settings.
Most web browsers provide options to delete or manage cookies, as well as adjust your privacy and security settings. It is important to note that certain features of our products and/or services depend on cookies, and if you decline or delete cookies, you may not be able to log on to or use the services or features we provide that depend on cookies.
Security & Safeguards · Company practice
ds_session_id: the end of the browsing session
The necessary-cookie table lists ds_session_id for chat.deepseek.com as a first-party cookie. Its stated purpose is security and its listed duration is the end of the browsing session.
The necessary-cookie table lists aws-waf-token for chat.deepseek.com and platform.deepseek.com as a cookie with AWS named in the provider column. Its stated purpose is security and its listed duration is 3 days.
The necessary-cookie table lists .thumbcache_* for chat.deepseek.com as a cookie with ishumei named in the provider column. Its stated purpose is security and its listed duration is 400 days.
The necessary-cookie table lists smidV2 for chat.deepseek.com as a cookie with ishumei named in the provider column. Its stated purpose is security and its listed duration is 400 days.
The necessary-cookie table lists ds_cookie_preference for www.deepseek.com as a first-party cookie. Its stated purpose is support and its listed duration is 1 year.
Supporting quotations
ds_cookie_preference
www.deepseek.com
Support
First
1 year
Not stated here
“Support” is the listed purpose; the table gives no more specific purpose for this cookie.
Use & Processing · Company practice
_gc_s_: 15 minutes
The necessary-cookie table lists _gc_s_ for chat.deepseek.com as a first-party cookie. Its stated purpose is support and its listed duration is 15 minutes.
Supporting quotations
_gc_s_
chat.deepseek.com
Support
First
15 minutes
Not stated here
“Support” is the listed purpose; the table gives no more specific purpose for this cookie.
Use & Processing · Company practice
_gc_usr_: 60 days
The necessary-cookie table lists _gc_usr_ for chat.deepseek.com as a first-party cookie. Its stated purpose is support and its listed duration is 60 days.
Supporting quotations
_gc_usr_
chat.deepseek.com
Support
First
60 days
Not stated here
“Support” is the listed purpose; the table gives no more specific purpose for this cookie.
Use & Processing · Company practice
Preference cookies remember choices such as language
DeepSeek uses preference cookies to remember choices such as your language. It says disabling these cookies prevents it from knowing your preference.
Supporting quotations
Preference cookies
We make use of preference cookies to remember your preferences like the language you use. If you disable these cookies, we will not be able to know your preference.
Cross-references
qualifies (model-proposed): You can manage cookies, but dependent features may fail — qualifies: Disabling preference cookies has the specific consequence that DeepSeek cannot know preferences such as language, qualifying the general option to manage cookies.
Retention & Deletion · Company practice
NEXT_LOCALE: a one-year preference cookie
The preference-cookie table lists NEXT_LOCALE on www.deepseek.com as a first-party cookie for preferences, with a duration of 1 year.