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

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 …

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 …

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 …

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 unintuitive …

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 …

5 days ago · Install pgvector on PostgreSQL 17 on Rocky Linux 10 and Ubuntu 24.04. Covers HNSW and IVFFlat indexes, distance operators, Ollama embeddings, and performance tuning.