Lobe Chat is a high-performance open-source AI chat application that provides a polished, feature-rich interface for accessing multiple LLM providers including OpenAI, Claude, Gemini, Ollama, and dozens more through a single self-hostable platform. It supports multi-model conversations, custom AI personas, plugins for web search and code execution, voice conversations, image generation, and knowledge base management — all with a modern, responsive UI. Privacy-focused users, developers, and organizations use Lobe Chat to deploy a sophisticated internal AI assistant platform on their own infrastructure.