Vector Quantization Python Packages

vector-quantize-pytorch

Vector (and Scalar) Quantization, in Pytorch

minisom

:red_circle: MiniSom is a minimalistic implementation of the Self Organizing Maps

annlite

⚡ A fast embedded library for approximate nearest neighbor search

helix-substrate

Calibration-free HXQ weight compression. Transformers, SSMs, hybrids, MoEs, vision — same codec, same command.

titok-pytorch

TiTok - Pytorch

turboquant-space

SIMD-accelerated 4/8-bit vector quantization for approximate nearest neighbor search, based on TurboQuant (ICLR 2026). Standalone C++17 library with Python bindings

pyvq

Python bindings for the Vq library

timevqvae

Vector-quantized time-series generation with a bidirectional prior model.

dbgsom

A Python implementation of the Directed Batch Growing Self-Organizing Map

nexusquant-kv

Training-free KV cache compression via E8 lattice quantization and attention-aware token eviction