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SQL Chat vs nao: catalog facts
SQL Chat	nao
Free Free to self-host from its public GitHub repository.	Free Described by the developer as 100% open source.
Web, Self-hosted	macOS, Self-hosted, Command line
Ask questions in natural language instead of writing SQL Supports several database engines	Agent context organized as plain files and YAML Connects warehouses, dbt, Looker and docs
Generated SQL should be checked before running on important data Development has slowed, with occasional commits	Requires an existing data stack and model access Aimed at data teams rather than individuals
Web application, Self-hosted	Downloadable app, Self-hosted
Closed source	Open source
License not stated	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 October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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