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Perplexity vs Grok: catalog facts
Perplexity	Grok
Freemium Free to use, with a paid Pro tier for more advanced search.	Freemium Free to start; available features depend on the service plan.
Web	Web
Answers include citations to sources Follow-up questions keep context	Real-time answers from the web and X Chat, image creation and code writing in one place
AI answers can still misread or misstate sources Advanced features sit behind a paid tier	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
No account 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.