Overview

Vanna AI — Natural language to SQL with AI

Vanna is an open-source Python library for AI-powered text-to-SQL. It trains on your database schema, documentation and sample queries using RAG, then generates accurate SQL for natural language questions with high accuracy.

RAG-based text-to-SQL

Trains on your schema and docs

Supports Postgres, BigQuery, Snowflake

Jupyter and Streamlit interfaces

Features & capabilities

Everything it does, in plain English.

FeatureRAG-based text-to-SQLIncluded

FeatureTrains on your schema and docsIncluded

FeatureSupports Postgres, BigQuery, SnowflakeIncluded

FeatureJupyter and Streamlit interfacesIncluded

FeatureOpen source with cloud optionIncluded

PlatformsPython · Web

The honest take

Where it shines, where it stumbles.

✓ Pros

✓Open source
✓High accuracy via RAG
✓Works with any SQL database

! Watch-outs

!Requires training setup
!Python knowledge needed

Who it's for

Where Vanna AI pays for itself fast.

— Use case

Business analytics self-service

— Use case

Data democratization

— Use case

BI chatbot creation

Community reviews

Share your take on Vanna AI

4.5

★★★★★

24 reviews

5★

4★

3★

2★

1★

Amanda H. ✓ Verified

CMO

★★★★★

22 days ago

The best tool I've used

Worth every penny. Performance is fast — no noticeable latency even on large inputs. The output quality surprised me — it actually sounds human.

Sarah P. ✓ Verified

AI Researcher · Figma

★★★★★

3 months ago

Good value, works well

Works really well for my use case. The accuracy has improved significantly with recent model updates. The customization options let me tailor it to my exact workflow.

Patrick M. ✓ Verified

Content Creator

★★★★★

4 months ago

Best in class, no question

Exceeded all my expectations. It handles edge cases better than anything else I've tried. The recent updates have addressed most of my initial concerns. A staple in my tech stack now.

Jason R. ✓ Verified

Founder · Salesforce

★★★★★

7 months ago

Impressed with the results

Works really well for my use case. Integration with my existing tools was seamless — no friction at all. Performance is fast — no noticeable latency even on large inputs. The UI takes some getting used to. Best tool in this category, hands down.

Luca G. ✓ Verified

UX Designer · Notion

★★★★★

9 months ago

The best tool I've used

Blown away by the quality. Integration with my existing tools was seamless — no friction at all. I use this daily and it's become essential to how I work. Integration with my existing tools was seamless — no friction at all. Best tool in this category, hands down.

Priya D.

Software Engineer

★★★★★

1 years ago

Best in class, no question

Blown away by the quality. The onboarding flow was smooth and I was productive from day one. I use this daily and it's become essential to how I work. My team adopted this immediately after I shared it with them. A staple in my tech stack now.

Wei J. ✓ Verified

Co-founder · GitHub

★★★★★

1 years ago

Exactly what I needed

Can't imagine working without it now. The AI suggestions are incredibly accurate and save me hours every week. It handles edge cases better than anything else I've tried. Works consistently across all my devices and browsers.

Sofia M. ✓ Verified

CMO · GitLab

★★★★★

1 years ago

Mixed experience overall

Good for some things, lacking in others. It handles edge cases better than anything else I've tried. I've recommended this to at least 10 colleagues already. Wish the free tier had slightly higher limits.

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