SOURCE-LINKED INTELLIGENCE
NVIDIA: Nemotron 3 Ultra
NVIDIA Nemotron 3 Ultra is an open frontier-reasoning and orchestration model from NVIDIA, with 55B active parameters out of 550B total (MoE). Built on a hybrid Transformer-Mamba mixture-of-experts architecture, it...
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- recordType
- model-catalog
- evidenceStatus
- provider-reported
- region
- Global
Evidence & attribution
First collected: 2026-09-20T08:01:03.945Z. This is not the publication date.