Directory · Vector DB
Qdrant
Open-source vector DB written in Rust. Fast, with great filtering.
Best for
Self-hosted vector search, dev-friendly setups
Pros and cons
Pros
- Open source
- Excellent filtering
- Fast
Cons
- Self-host operational burden
- Cloud tier pricier than competitors
- Smaller ecosystem than Pinecone
Alternatives
More vector db tools
Chroma
Vector DB · Chroma · United States
Open-source embedding database for LLM apps with a simple Python and JavaScript API plus managed Chroma Cloud.
Best for
Getting a vector store running in minutes for prototypes and small apps
Milvus
Vector DB · Zilliz · United States
Open-source vector database built for billion-scale similarity search, maintained by Zilliz with a managed cloud option.
Best for
Very large-scale vector search deployments
pgvector
Vector DB · Andrew Kane (open source) · United States
Open-source Postgres extension adding vector types and similarity search, enabling embeddings in an existing database.
Best for
Teams that want vector search inside the Postgres they already run