Vanna AI

Vanna is a production-ready Python RAG framework for natural language to SQL generation. It uses agentic retrieval to train custom models on your database schema and then converts natural language questions into accurate SQL queries. Vanna supports major databases PostgreSQL, MySQL, Snowflake, BigQuery, Redshift, DuckDB, ClickHouse and multiple LLMs OpenAI, Claude, Google Gemini, Azure OpenAI, Ollama.

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