pgvector
Vector similarity search extension for PostgreSQL
About pgvector
pgvector adds vector similarity search to PostgreSQL. Store embeddings alongside relational data in your existing Postgres database. No separate vector database infrastructure needed.
Best for
Best for teams already on PostgreSQL wanting vector search without new infrastructure
Pros & Cons
Pros
- Use existing PostgreSQL — no new infrastructure
- Store vectors alongside relational data
- Simple to add to any Postgres deployment
Cons
- Performance limits at very large scale
- Less specialized than dedicated vector DBs
- Limited vector-specific features
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