Vetted Recommended

Pgvector

Teams already on Postgres that want vector search without adding a separate service.

Verdict

“Teams already on Postgres that want vector search without adding a separate service.”

Teams already on Postgres that want vector search without adding a separate service.

Pros

Why teams pick it

Neon ships pgvector enabled by default. No extra configuration needed.
Supabase includes pgvector with dashboard support and vecs Python client.
LangChain PGVector vector store works but requires more SQL-aware setup than dedicated engines.
Drizzle supports pgvector column types and similarity search operators.

Cons

Performance degrades past a few million vectors, especially with high-dimensional embeddings on shared Postgres instances.
HNSW index creation can be extremely slow and resource-intensive on large datasets, blocking other operations.

Pricing

$0 /mo

$19 /mo

$19 /mo

Appears in

This tool is currently a standalone recommendation.

Key stats