Product Quantization Python Packages

annlite

Fast and Light Approximate Nearest Neighbor Search Library integrated with the Jina Ecosystem

nanopq

Pure python implementation of product quantization for nearest neighbor search

rii

Fast and memory-efficient ANN with a subset-search functionality

spheni

Lightweight Vector Search Library focused on Memory Efficiency

fast-pq

Approximate Nearest Neighbors in Python.

lopq

Python code for training and deploying Locally Optimized Product Quantization (LOPQ) for approximate nearest neighbor search of high dimensional data.

vinkra

A lightweight vector database with incremental inserts, automatic exact-to-ANN switching, and explicit storage management. Add vectors anytime without rebuilding the index

vink

Vector Incremental Nano Kit — a lightweight vector database with incremental inserts, automatic exact-to-ANN switching, and explicit storage management. Add vectors anytime without rebuilding the index