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, hnsw, builds …

Dec 16, 2025 · pgvector is an open‑source PostgreSQL extension that brings native vector similarity search directly into the relational database. It allows you to store, index and query high‑dimensional …

Jan 20, 2026 · 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 within your …

Aug 29, 2025 · In this comprehensive guide, we’ll explore how to set up PostgreSQL with pgvector, implement vector operations, and build a practical semantic search application.

Mar 8, 2026 · pgvector is a PostgreSQL extension that adds a vector column type and operators for similarity search. It supports cosine distance (<=>), L2 distance (<->), and inner product (<#>), with …

Jan 27, 2026 · This document provides a high-level overview of setting up and using pgvector for the first time. It covers prerequisites, the extension activation process, and the basic workflow for storing …

Dec 15, 2025 · In short, pgvector lets you build AI-powered search and recommendation features right in your existing PostgreSQL database. No need for a separate search engine – just SQL and vectors.

Feb 25, 2026 · pgvector is an open-source PostgreSQL extension that equips PostgreSQL databases with vector data storage, indexing, and similarity search capabilities—ideal for embeddings-based …

pgvector: a PostgreSQL extension for storing embeddings and performing vector similarity search.