Kay uses the new ChatGPT API.<p>Benefits:<p>- no login needed<p>- accessible from your phone (easier to use compared to the web interface)<p>- available in a familiar interface (WhatsApp on mobile and Desktop)<p>Privacy:<p>- your WhatsApp id and the last 4 messages (back and forth) are stored, as needed to provided a conversational experience.<p>- the data is stored on Firestore.