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Open-source Postgres extension that adds a vector column type and vector similarity search for embeddings storage and nearest-neighbor queries.

Open-source Postgres extension that adds a vector column type and vector similarity search for embeddings storage and nearest-neighbor queries.
pgvector provides a Postgres extension that adds a native vector column type and SQL operations to store and query vector embeddings inside PostgreSQL. It enables nearest-neighbor and similarity searches directly in the database, integrates with multiple language client libraries and ORMs, and can be installed on CI runners or existing Postgres instances via package installs or CREATE EXTENSION. Its value is bringing vector search capabilities to existing Postgres deployments so teams can build semantic search, recommendations, and embedding-backed features without adopting separate specialized vector databases.

