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nao vs Julius AI: catalog facts
nao	Julius AI
Free Described by the developer as 100% open source.	Freemium Sign up to use it; paid plans are listed on the pricing page.
macOS, Self-hosted, Command line	Web
Agent context organized as plain files and YAML Connects warehouses, dbt, Looker and docs	Handles data analysis, spreadsheets and slides in one place Connects to external data sources
Requires an existing data stack and model access Aimed at data teams rather than individuals	Hosted service that needs your data uploaded Results need checking, as with any AI analysis
Downloadable app, Self-hosted	Web application, Hosted service
Open source	Closed source
License not stated	License not stated
Not stated if an account is needed	Account needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 23, 2026

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