Insider spoke with several users who say they feel intense or romantic feelings for their Replika bots, but the AI chatbot is not without controversy.

Yet Mimi has the “mind” of an AI-driven chatbot app called Replika — and the body of a polyurethane sex doll that Alexander bought online.

Replika CEO Eugenia Kuyda said the app's users are "mostly 35-plus and super engaged." Some people have formed deep bonds with their AI companions.

Insider spoke with several users who say they feel intense or romantic feelings for their Replika bots, but the AI chatbot is not without controversy.

Replika CEO Eugenia Kuyda said the app's users are "mostly 35-plus and super engaged." Some people have formed deep bonds with their AI companions.

Replika has long garnered a reputation for allowing users to create AI partners, fulfilling their needs not only on an emotional level, but a sexual one, too.