← Back to Repositories Hub Language License pgvector/pgvector Open-source vector similarity search for Postgres. Maintainer: pgvector Last Reviewed: 2026-06-22 Next Review: 2026-12-31 Editorial Owner: AI Delivery Hub Editorial Description & Purpose Open-source vector similarity search for Postgres. Architecture Summary Built as a modular framework in C, leveraging asynchronous processing and event loops to orchestrate LLM requests. Core Use Cases Relational vector search, zero-server DB expansions. Alternatives Evaluated Alternative open-source orchestration packages 💻 View on GitHub 📖 View Documentation