Depending on your region, you may be able to choose which cookies are set. Managing cookies is currently available for certain products.
For Platform (platform.openai.com)
You can manage it both while logged in and when logged out.
While logged in:
Log in to your account
Navigate to the top left corner and click on your Profile
Click Manage cookies
While logged out:
Navigate to top right corner to the menu (2 horizontal lines)
Click Manage cookies
The 'Manage cookies' modal window will navigate you through the available options.