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GPT Researcher vs Perplexity: catalog facts
GPT Researcher	Perplexity
Free Free and open source; you pay for any LLM or search APIs you connect.	Freemium Free to use, with a paid Pro tier for more advanced search.
Web, Self-hosted, Command line	Web
Writes cited reports from web and local sources Works with many LLM providers	Answers include citations to sources Follow-up questions keep context
Requires API keys and some setup Report quality depends on the model and sources used	AI answers can still misread or misstate sources Advanced features sit behind a paid tier
Downloadable app, Self-hosted	Web application
Open source	Closed source
License not stated	License not stated
No account needed	No account needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked September 26, 2026	Official website Full listing and sources Checked September 23, 2026

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