ChatGPT Previews .SMS Feature for U.S. Pro Users
ChatGPT has begun previewing its dot messaging feature for Pro users in the U.S. dot sends and receives SMS via iMessage or RCS, allowing users to message only their corresponding contacts. To set it up, click on your dot profile and select "SMS."
ChatGPT Previews .text Messaging Feature to U.S. Pro Users
ChatGPT has begun previewing the .text messaging feature for U.S. Pro users. .text sends and receives SMS messages via iMessage or RCS, and users can only message other users with the same feature.
To set it up, tap your .text profile and then select "Texting."
Source: ChatGPT (@ChatGPT), see https://x.com/ChatGPT/status/2115496387613786374.