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STORM vs Local Deep Research: catalog facts
STORM	Local Deep Research
Free Free and open source; language model and search API costs are your own.	Free Free, with source code published on GitHub; cloud model providers may charge.
Command line	Self-hosted
Produces long, cited reports from a single topic Multi-perspective questioning for broader coverage	Works with local models or cloud providers Searches arXiv, PubMed and more than ten other sources
Needs Python setup and API keys for models and search A research project, with limited polish for everyday users	Good results with local models need a capable GPU Self-hosting setup is more involved than a hosted service
Downloadable app	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.