Vector Databases: Pinecone vs. Weaviate vs. pgvector

Tutorial · 6 min read · By AIQORA Editorial

A practical comparison for choosing your RAG backend.

Vector Databases Compared Pinecone : Hosted, fast, expensive at scale. Weaviate : Open source, full featured, steep learning curve. pgvector : Postgres extension. Best for teams already on Postgres. For <1M vectors, pgvector wins on simplicity. Above 10M, the specialized DBs justify their cost.