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GPT Researcher vs Local Deep Research: catalog facts
GPT Researcher	Local Deep Research
Free Free and open source; you pay for any LLM or search APIs you connect.	Free Free, with source code published on GitHub; cloud model providers may charge.
Web, Self-hosted, Command line	Self-hosted
Writes cited reports from web and local sources Works with many LLM providers	Works with local models or cloud providers Searches arXiv, PubMed and more than ten other sources
Requires API keys and some setup Report quality depends on the model and sources used	Good results with local models need a capable GPU Self-hosting setup is more involved than a hosted service
Downloadable app, Self-hosted	Self-hosted
Open source	Open source
License not stated	License not stated
No account needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 26, 2026	Official website Full listing and sources Checked September 24, 2026

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