ChatGPT
The default general-purpose assistant for drafting buyer emails, specs and follow-ups.
Chatbots
Role-play chat platform with millions of community-created characters.
Character.AI hosts millions of user-created personas, from tutors to interviewers. Practical use for work teams includes rehearsing difficult customer conversations against a persona that pushes back.
It is free with a Plus tier for faster responses. The entertainment gravity is strong — treat it as a training and ideation playground rather than a productivity tool.