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nao vs Powerdrill: catalog facts
nao	Powerdrill
Free Described by the developer as 100% open source.	Freemium Free to start, with paid plans for heavier use.
macOS, Self-hosted, Command line	Web
Agent context organized as plain files and YAML Connects warehouses, dbt, Looker and docs	Answers cite the page, row or figure they came from Works across both documents and databases
Requires an existing data stack and model access Aimed at data teams rather than individuals	Hosted service; your data is sent to Powerdrill unless you use a private deployment Pricing and plan limits are not clearly shown on the homepage
Downloadable app, Self-hosted	Web application
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	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 26, 2026

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