models · nvidia

NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16

text-generation model harvested from Hugging Face (trending). Catalogued at Quarantine — unverified, pending attestation.

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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.

Method	hf-published-sha256

Re-check this yourself → Source → Full record →

What is recorded

Publisher	nvidia
Origin	United States
Licence	other
Parameters	560,524,603,904 (560.5B)
Native precision	BF16
Pulls recorded here	59,089
Downloads reported upstream	184,423

Elsewhere in the registry

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Registry record as of 2026-09-01. 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.