Vanna AI

Fully open-source text-to-SQL agent, self-hostable with no vendor lock-in

What Vanna AI does

  • Fully open-source text-to-SQL agent, self-hostable with no vendor lock-in
  • Multi-turn conversational querying across Postgres, Snowflake, BigQuery, MySQL, SQLite and more
  • Agent memory (hosted vector DB) that improves query accuracy over time

Vanna AI — straight answers

What is Vanna AI?

Vanna AI is listed under AI Database & SQL Copilots, in the Code & Development category on Flocci AI Tools. Fully open-source text-to-SQL agent, self-hostable with no vendor lock-in. It is free, with no paid plan attached, and it lives at vanna.ai.

Is Vanna AI free?

Vanna AI is listed as fully free — there is no paid tier attached to it in the catalog. That makes it one of the 396 entries on Flocci AI Tools with no upgrade path built in.

Can I use Vanna AI in a browser, or is there an app?

Vanna AI needs to be installed or self-hosted — it doesn't run in a browser tab. It is available on self-hosting and an API.

What can Vanna AI do?

Vanna AI does 3 things the catalog singles out: Fully open-source text-to-sql agent, self-hostable with no vendor lock-in; multi-turn conversational querying across postgres, snowflake, bigquery, mysql, sqlite and more; agent memory (hosted vector db) that improves query accuracy over time.

What is the best free alternative to Vanna AI?

Chat2DB is the closest free alternative: it sits in the same AI Database & SQL Copilots sub-category and is free. Wren AI and Outerbase also start free. The full list is on the alternatives page.

See the full list →

Vanna AI alternatives

Compare all alternatives →

Wren AI

AI Database & SQL Copilots
freemium
  • Open-core 'context engine' (public on GitHub) converts natural language to governed SQL across 20+ sources
  • Row/column-level security enforced at query time for agentic BI use
  • One-prompt GenBI dashboard creation plus MCP embedding for product integration

Outerbase

AI Database & SQL Copilots
freemium
  • AI-powered database GUI with natural-language 'EZQL' querying and auto chart generation
  • Spreadsheet-style table editor plus self-serve AI dashboards across 10+ database engines
  • Private AI models that don't train on customer data; recently joined Cloudflare

Chat2DB

AI Database & SQL Copilots
freeNew
  • Cross-platform database client with natural-language SQL generation and optimisation
  • Local-first workspace supporting many databases
  • Bring your own AI provider

Cursor

AI IDEs & Editors
freemium
  • AI-first VS Code fork with agent mode
  • Multi-file edits and terminal commands
  • Codebase-wide context and rules
  • Free tier with limited requests

Google Antigravity

AI IDEs & Editors
freemium
  • Google's agent-first IDE
  • Powered by Gemini 3 models
  • Autonomous multi-step coding
  • Free access tier

Windsurf

AI IDEs & Editors
freemium
  • Agentic IDE with the Cascade flow
  • Now part of Cognition (Devin)
  • Deep whole-repo awareness
  • Free tier available

Head-to-head comparisons