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ChatGPT vs Z.ai Chat: catalog facts
ChatGPT	Z.ai Chat
Freemium Free to start; features and limits vary by plan.	Free The chat page shows no paid plan for basic use.
Web	Web
Handles writing, coding, analysis and images in one place Used from the browser with nothing to install	Direct access to the GLM models in a browser Handles coding and website building from prompts
Features and limits vary by plan Hosted service, so prompts are processed on OpenAI's servers	Hosted service, so prompts are processed on Zhipu AI's servers Little information on the page about limits or plans
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 23, 2026	Official website Full listing and sources Checked September 24, 2026

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