Last Update: March 21, 2025
Welcome to DeepSeek!
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.
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.
We use cookies to operate and provide the Service. For example, we use cookies for security purposes.
Cookies may be set by the website you access (i.e. first-party cookies) or by a third party (i.e. third-party cookies).
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).
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.
| Cookie Name | Domain | Purpose | First or Third Party | Duration |
| ds_session_id | chat.deepseek.com | Security | First | end of browsing session |
| .thumbcache_* | chat.deepseek.com | Security | ishumei | 400 days |
| smidV2 | chat.deepseek.com | Security | ishumei | 400 days |
| __cf_bm | .deepseek.com | Security | Cloudflare | 30 minutes |
| cf_clearance | .deepseek.com | Security | Cloudflare | 1 year |
| intercom-device-id-* | .deepseek.com | Support | Intercom Messenger | 9 months |
| intercom-session-* | .deepseek.com | Support | Intercom Messenger | 1 week |
| ds_cookie_preference | www.deepseek.com | Preference | First | 1 year |
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.
| Cookie Name | Domain | Purpose | First or Third Party | Duration |
| NEXT_LOCALE | www.deepseek.com | Preference | First | 1 year |
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:
Chrome: https://support.google.com/chrome/answer/95647?hl=en
Microsoft Edge: https://support.microsoft.com/en-us/windows/manage-cookies-in-microsoft-edge-view-allow-block-delete-and-use-168dab11-0753-043d-7c16-ede5947fc64d
Safari: https://support.apple.com/guide/safari/manage-cookies-and-website-data-sfri11471/mac
Firefox: https://support.mozilla.org/en-US/kb/cookies-information-websites-store-on-your-computer
Opera: https://help.opera.com/en/latest/web-preferences/#cookies
Cookie settings are specific to each device and browser, so you will need to configure preferences separately for each browser you use.
We may update this Cookies Policy and recommend that you review it from time to time to understand how we use cookies.
If you have any questions about this Cookies Policy, please contact us at privacy@deepseek.com.