tools · bitsandbytes-foundation

bitsandbytes

k-bit quantization and 8-bit optimizers. Enables QLoRA fine-tuning of large models on a single GPU.

Verify

What this registry has checked

Quarantine. We hold the publisher’s own published hash for these weights and have recorded it against this entry. We have not downloaded and hashed the weights ourselves, so the hash is the publisher’s claim, not our measurement.

Weight file SHA-256	969dc997d90b2bd369946fcac067cfb8f476ab9aff63fd734a5cd65a2c70cb38

Re-check this yourself → Source → Full record →

What is recorded

Publisher	bitsandbytes-foundation
Origin	Recorded as allied origin.
Licence	MIT
Pulls recorded here	520,001

Elsewhere in the registry

All tools → Browse with filters → What will run on my hardware? →

Registry record as of 2026-06-06. Identity, licence and parameter count are properties of a release and do not move; tier can, and the verify link above re-checks it against the live registry rather than this page.