AI Data & Analytics Tools
Vanna AI
Open-source text-to-SQL tool that learns your database schema to write accurate queries.
Free tierwebapi
What it does
Vanna is an open-source Python framework (with a hosted freemium version) that generates SQL from plain-English questions, first training on your database's schema and past queries so the generated SQL matches your actual tables rather than guessing at generic column names.
This is a direct link to Vanna AI — we don't currently earn anything from it.
Free tier reality
The open-source Python library is free to self-host; the hosted version has a free tier with limited usage before paid plans apply.
Key features
- Schema-aware text-to-SQL
- Open-source, self-hostable
- Trains on your own queries for better accuracy
- API for embedding in internal tools
Best for
- Developers building a custom chat-with-your-database tool
- Teams wanting an open-source text-to-SQL option
Try free first
Want something that never needs an account? Try our own free tools first.
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Vanna AI FAQ
Questions about this tool
Is Vanna AI free?
Yes — The open-source Python library is free to self-host; the hosted version has a free tier with limited usage before paid plans apply.
What is Vanna AI best for?
Developers building a custom chat-with-your-database tool Teams wanting an open-source text-to-SQL option
What platforms does Vanna AI run on?
Vanna AI is available on: web, api.