Character.AI is an AI platform that lets users create and chat with AI characters. Users can design custom characters with unique personalities, backgrounds, and conversation styles, then engage in interactive conversations with them. The platform supports both public character creation and private conversations.

The platform combines generative AI with creative expression, allowing users to explore storytelling, roleplay, creative writing, and social interaction in new ways. Characters can range from fictional personalities to historical figures to completely original creations.

Character.AI has gained significant popularity for its accessible approach to AI interaction and the community-driven aspect of character creation and sharing.