All Comparisons
Vector Databases
Pinecone vs pgvector
Managed vector database vs. the Postgres extension. Compared on setup, scaling, hybrid search, and operational overhead for RAG.
Feature
Pinecone
pgvector
Fully managed
Runs on existing Postgres
Metadata filtering
Hybrid (keyword + vector) search
Horizontal scaling
Open source
SQL joins with app data
Free / self-host option
Supported Partial Not supported
Verdict
pgvector wins when you already run Postgres and want to join vectors with relational data at low cost. Pinecone wins at very large scale or when you want zero ops. For most apps under tens of millions of vectors, pgvector is the simpler choice.