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nao vs SQL Chat: catalog facts
nao	SQL Chat
Free Described by the developer as 100% open source.	Free Free to self-host from its public GitHub repository.
macOS, Self-hosted, Command line	Web, Self-hosted
Agent context organized as plain files and YAML Connects warehouses, dbt, Looker and docs	Ask questions in natural language instead of writing SQL Supports several database engines
Requires an existing data stack and model access Aimed at data teams rather than individuals	Generated SQL should be checked before running on important data Development has slowed, with occasional commits
Downloadable app, Self-hosted	Web application, Self-hosted
Open source	Closed 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.