AI companion
An AI companion is software you talk with over time as a friend, roleplay partner, or girlfriend. It is the wider category around AI girlfriend apps.
An AI companion is software you keep talking to on purpose. It can be a friend, a roleplay partner, or a girlfriend. The word is wider than AI girlfriend.
Replika, Nomi, and Kindroid usually market themselves as companions. Character catalogs also sit in this bucket. ChatGPT can play the part in a chat, but it is an assistant first.
If you want one relationship with memory, photos, and dates, you want a girlfriend product. Girlfriend vs companion.