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Vanna

Open-source text-to-SQL trained on your own schema.

AI Data AnalysisFreemium★4.1 editor score

What it does

Vanna answers questions with SQL by training retrieval on your schema and past queries — accuracy that generic text-to-SQL can't match, deployable as a library or Flask app you control.

Open source with hosted options. Self-training on your DDL and docs keeps answers grounded.

Standout features

  • Trains on your schema and history
  • Open-source Python library
  • Works with Snowflake, BigQuery and more
  • Self-hosted or hosted UI

Best for

DataSQLOpen Source

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