Risuai (Risu) is a user-friendly AI chatbot application designed for roleplaying with AI characters. It connects to multiple LLM providers including OpenAI, Claude, Gemini, DeepInfra, and others, allowing users to create and interact with character-based conversations. The application supports features like emotion images, group chats with multiple characters, plugin extensibility, regex output modification, and automatic translation. Built with Tauri, Svelte, and TypeScript, it runs as a cross-platform desktop application.