Amazon RDS for PostgreSQL now supports pgvector v0.5.0 with HNSW indexing

Amazon Relational Database Service (RDS) for PostgreSQL now supports v0.5.0 of the pgvector extension to store embeddings from machine learning (ML) models in your database and to perform efficient similarity searches. This version of the extension introduces pgvector introduces HNSW indexing support, parallelization of ivfflat index builds, and improves performance of its distance functions.

Source:: Amazon AWS