Z.ai

Z.ai is a free, web-based, chat-style AI assistant and agent for students, educators, marketers, founders, analysts, developers, researchers, and multilingual teams who want help with writing, coding, research, and content creation.

Key capabilities include:

• AI slide generation that turns prompts or outlines into structured presentation slides
• Writing and editing assistance for drafting, rewriting, and polishing articles, emails, reports, and marketing copy
• Code generation and explanation for producing snippets, refactoring logic, and explaining functions
• Summarization and research support that condenses documents into key points, brainstorms topics, builds outlines, and synthesizes notes

Pricing: Free.

Notable for its GLM model backing (GLM-5, GLM-4.7, GLM-4.6, GLM-5-Turbo), multilingual support with strong Chinese capabilities, and a conversational workflow with context retention for iterative task refinement. It also positions itself as an agent-style assistant for tasks like website and app development support and data analysis within a single chat interface.