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

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