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pgvector

Vector similarity search extension for Postgres

pgvector adds a vector type and nearest-neighbor indexes to PostgreSQL so embeddings can live next to relational data.

Visit pgvector ↗

Pricing: Free

Platforms: Self-hosted

Categories: Databases, AI

pgvector is an alternative to

pgvector compared with similar tools

Product	Price	Open source	Self-host	Platforms
pgvector	Free	Yes	Yes	Self-hosted
Qdrant	Free plan	Yes	Yes	Self-hosted, Web, API
Milvus	Free	Yes	Yes	Self-hosted, Linux
Weaviate	Free plan	Yes	Yes	Self-hosted, Web, API
Chroma	Free plan	Yes	Yes	Self-hosted, Web, API
LanceDB	Free plan	Yes	Yes	Self-hosted, Web, API
Pinecone	Free plan	–	–	Web, API

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Questions

Is pgvector free?

pgvector is free.

Is pgvector open source?

Yes, pgvector is open source.

Can pgvector be self-hosted?

Yes, you can run pgvector on your own server.

What platforms does pgvector run on?

pgvector is available for Self-hosted.

What are some alternatives to pgvector?

Similar indie products include Qdrant, Milvus, Weaviate, Chroma and 4 more.

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