I recently switched to Mathematica version 14. I was using Chat Notebooks and LLMs in version 13.3.1. So, to set up my settings in v 13.3.1, I head to AI settings and select the model I wanted to use (GPT4) and also some tabs to choose and install Personas and check to connect and disconnect for API connection, but now I am getting a single tab for version 14. Was the previous setting page changed? I cannot find anything in the options or documentation or the Stephen Wolfram writings blog.

AI settings version 13.3.1:

Also this one v 13.3.1:

Now on version 14 I only get: