tools · facebookresearch

xFormers

Composable, memory-efficient attention and transformer building blocks with optimized CUDA kernels.

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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	488f7ce0a301df6f690a91125ac451380361386ce31a22f7b620db15ea99d783

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What is recorded

Publisher	facebookresearch
Origin	United States
Licence	BSD-3-Clause
Pulls recorded here	64,001

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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.