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ChatGPT vs Grok: catalog facts
ChatGPT	Grok
Freemium Free to start; features and limits vary by plan.	Freemium Free to start; available features depend on the service plan.
Web	Web
Handles writing, coding, analysis and images in one place Used from the browser with nothing to install	Real-time answers from the web and X Chat, image creation and code writing in one place
Features and limits vary by plan Hosted service, so prompts are processed on OpenAI's servers	Features depend on the service plan Hosted service, so prompts are processed on the developer'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 23, 2026	Official website Full listing and sources Checked September 23, 2026

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