They really should rebrand it. GPT would be good, dropping the chat, which seems antiquated, amongst other things.. It's just hard to take something with chat in the title seriously. Chatting is by definition non-serious discussion.
chat 1 | CHat | verb (chats, chatting | CHadiNG |, chatted | CHadəd |) [no object] talk in a friendly and informal way: she chatted to her mother on the phone every day. • exchange messages online in real time with one or more simultaneous users of a computer network: I keep getting messages popping up on my screen from people wanting to chat.