Your embeddings need a home. Vector databases store and query embeddings efficiently. The right one depends on your scale, budget, and self-hosting needs.
Top options
- Pinecone — Fully managed, scales well, $70/mo+
- Weaviate — Open source + managed, great hybrid search
- Qdrant — Open source, Rust performance
- pgvector — Postgres extension, simple if you already use Postgres
- Chroma — Lightweight, dev-friendly
- Milvus — Distributed, scales to billions
Frequently asked questions
What is the vector database comparison?
The vector database comparison is a free online tool that helps you analyze and compare AI models, costs, and capabilities. Powered by Plugsky's one-API platform with 31+ models.
Is the vector database comparison free?
Yes. This tool is free to use with no signup required. Sign up for unlimited access to all 31+ AI models through one API on Plugsky.
Last updated Jul 2026. Prices and availability verified at time of writing — check provider pages for current rates.
Example DBs
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- Pinecone: Fully managed, $70/mo+
- Weaviate: Open source + managed, hybrid search
- pgvector: Postgres extension, simple if you use Postgres
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