Open-source vector similarity search for Postgres. Contribute to pgvector/pgvector development by creating an account on GitHub.

Sep 4, 2023 · pgvector, an open-source PostgreSQL extension that provides vector similarity search capabilities, has released v0.5.0. This latest version of pgvector adds a new index type, …

Aug 6, 2024 · pgvector is an open-source extension for PostgreSQL that adds support for vector operations and similarity searches. It lets you store, index, and query vector data directly …

Dec 15, 2025 · In this step-by-step guide, learn how to build a semantic search engine in PostgreSQL using the pgvector extension.

Apr 24, 2025 · What is pgvector? pgvector is the PostgreSQL answer to vector search: in essence, it is a Postgres extension allowing us to query, store, and index vector data.

May 24, 2025 · In this comprehensive guide, I’ll show you how to use pgvector on a database table containing millions of rows and ensure you’re doing so efficiently. I’ve made some …

Jun 21, 2023 · Pgvector is an open-source extension for PostgreSQL that enables storing and searching over machine learning-generated embeddings. It provides different capabilities that …

Sep 3, 2024 · pgvector is an extension for Postgres that enables efficient storage and similarity search of high-dimensional vector data, commonly used for machine learning models, …

Jan 22, 2025 · "Postgresql Vector Database: Pgvector" is an open-source extension for PostgreSQL that enables vector similarity searches, supporting exact and approximate …

By default, pgvector performs exact nearest neighbor search, which provides perfect recall. You can add an index to use approximate nearest neighbor search, which trades some recall for …