Chat.z.ai is an AI chatbot platform built on the GLM‑4.x/GLM‑5 family of models by Z.ai, offering a versatile AI assistant accessible directly through a web interface. It supports natural language conversations, content generation, writing tasks, coding help (including code generation and debugging), and creating slide decks or presentations based on user prompts. The tool also features multilingual support (e.g., English and Chinese), long‑form context handling, and capabilities like file upload for document analysis and summarization. Some versions of the platform allow developers to use APIs for deeper integrations, while free access enables immediate chat and productivity assistance.