Character.ai Product Introduction

What is Character.ai?

Character.ai is an AI chatbot platform developed by former Google engineers Noam Shazeer and Daniel De Freitas. Users can interact with virtual characters through natural language, and support custom character personality, language style and multi-language dialogue. As of March 2025, its mobile downloads exceeded 1.7 million times, and the number of users worldwide exceeded 20 million.

Main functions:

• Character customization: Users can create virtual characters and define parameters such as gender, appearance, personality, etc., such as imitating anime characters or original AI companions.
• Emotional interaction: Based on deep learning technology, AI can recognize user emotions and simulate real emotional feedback (such as joy, sadness).
• Multi-scenario application: Support education (language learning, homework tutoring), entertainment (role-playing games), mental health support (talking and companionship), etc.
• Multi-language support: Provides Chinese interface setting function, supports real-time translation and cross-language dialogue

Use scenarios:

• Educational assistance: Students can ask AI characters questions about physical theorems or historical events to obtain structured knowledge.
• Creative writing: Users collaborate with AI to generate novel plots or script dialogues, such as building a science fiction worldview.
• Mental health: Lonely users relieve anxiety through in-depth dialogue with AI characters, and the platform has an average daily interaction volume of more than 20,000 times