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Z.ai Chat vs ChatGPT: catalog facts
Z.ai Chat	ChatGPT
Free The chat page shows no paid plan for basic use.	Freemium Free to start; features and limits vary by plan.
Web	Web
Direct access to the GLM models in a browser Handles coding and website building from prompts	Handles writing, coding, analysis and images in one place Used from the browser with nothing to install
Hosted service, so prompts are processed on Zhipu AI's servers Little information on the page about limits or plans	Features and limits vary by plan Hosted service, so prompts are processed on OpenAI's servers
Web application	Web application
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Needs internet	Needs internet
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.