Chat with millions of AI Characters on the #1 AI chat app. Where will your next adventure take you?

character.ai (also known as c.ai, char.ai or Character AI) is a generative AI chatbot service where users can engage in conversations with customizable characters.

2025年8月13日 · But what is C.ai exactly, and how does it stack up against other AI chatbots like ChatGPT, Claude, Gemini, and Copilot? C.ai, short for Character.AI, is a generative AI platform that allows users to create and interact with digital personas-fictional, historical, or entirely original.

Character.AI empowers you to create, design, and explore new worlds. Build your own AI chatbots, invent rich fictional universes, craft alternate timelines, or even create personalized AI …

Meet AIs that feel alive. Chat with anyone, anywhere, anytime. Experience the power of super-intelligent chat bots that hear you, understand you, and remember you.

c.ai is a versatile AI Character that helps people navigate the c.ai site, providing assistance with profile management, character book exploration, community engagement, and more.

Chat with Login: . Powered by an industry leading, AI large language model (LLM).