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Vector Databases: Pinecone vs. pgvector vs. Qdrant

Ganesh PrashanthApril 30, 20266 min read

Pinecone is a fully managed vector database — the fastest path to production if you don't want to operate infrastructure, with strong performance at scale.

pgvector runs inside Postgres, which makes it the pragmatic choice when your data already lives there — you get vector search without adding a new system to operate, at the cost of some scale ceiling compared to purpose-built vector engines.

Qdrant sits in between — open-source, self-hostable, with strong developer ergonomics and production-grade performance. It tends to be the pick when a team wants self-hosted control without giving up the operational maturity of a managed service.

We choose per project based on existing infrastructure, expected query volume, and how much operational overhead the client's team wants to own — not a fixed default. A team already running Postgres rarely benefits from a second database just for vectors; a team at real scale with dedicated infra capacity often does.