---
schema: "https://insidethemachine.ai/schema/listing.schema.json"
slug: "bitsandbytes"
name: "bitsandbytes"
kind: "repo"
tier: "catalog"
category: "quant"
category_label: "Quantization"
stack_layer: "model"
homepage: "https://huggingface.co/docs/bitsandbytes/main/en/index"
repo: "https://github.com/bitsandbytes-foundation/bitsandbytes"
license: "MIT"
stars: 8527
last_push: "2026-09-07"
archived: false
tags: []
seen_in_videos: []
gap_score: null
gap_score_status: "pending test on Mac Studio"
verified_on: "2026-10-15"
---

# bitsandbytes

**What:** 4-bit and 8-bit quantization for PyTorch.

**Why:** Shrinks models so bigger ones fit in memory.

**Category:** Quantization · **Stack layer:** model

## Status

Catalog entry. Existence and repo metadata checked 2026-10-15 via the GitHub API. Install commands below are auto-extracted from the README and have NOT been executed or verified. Read the README before running anything; prefer a sandbox or venv.

## Install (unverified)

No install command found. no install command found in README; follow the README or docs

## Verify

No verified check yet. Minimum: the install command exits 0 and the tool's own help/version flag runs (exact flag: see README).

## Rollback (unverified)

No derived rollback. Remove what the install created (see README).

## Links

- Homepage: https://huggingface.co/docs/bitsandbytes/main/en/index
- Repo: https://github.com/bitsandbytes-foundation/bitsandbytes
- README: https://github.com/bitsandbytes-foundation/bitsandbytes#readme