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SQL Chat vs WrenAI: catalog facts
SQL Chat	WrenAI
Free Free to self-host from its public GitHub repository.	Free The open-core CLI is free to install with pip.
Web, Self-hosted	Command line
Ask questions in natural language instead of writing SQL Supports several database engines	Business definitions kept as reviewable YAML and Markdown in Git Connects to more than 20 databases and warehouses
Generated SQL should be checked before running on important data Development has slowed, with occasional commits	Designed around an external AI agent rather than a standalone chat interface Repository license is not clearly identified as OSI-approved
Web application, Self-hosted	Downloadable app
Closed 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.