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Open Notebook vs Local Deep Research: catalog facts
Open Notebook	Local Deep Research
Free Free and open source under the MIT license.	Free Free, with source code published on GitHub; cloud model providers may charge.
Web, Self-hosted	Self-hosted
Privacy-focused self-hosted alternative to a well-known proprietary tool MIT licensed with an active Discord community	Works with local models or cloud providers Searches arXiv, PubMed and more than ten other sources
Local processing still depends on which model provider is configured Smaller community than the proprietary product it alternatives	Good results with local models need a capable GPU Self-hosting setup is more involved than a hosted service
Self-hosted, Web application	Self-hosted
Open source	Open source
License: MIT	License not stated
Not stated if an account is 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 22, 2026	Official website Full listing and sources Checked September 24, 2026

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