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.
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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.
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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.
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.