- https://github.com/pgvector/pgvector
- Open-source vector similarity search for Postgres
- Store your vectors with the rest of your data. Supports:
- exact and approximate nearest neighbor search
- single-precision, half-precision, binary, and sparse vectors
- L2 distance, inner product, cosine distance, L1 distance, Hamming distance, and Jaccard distance
- any language with a Postgres client