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Independent Nemotron 3 field guide

Understand the model family built for agentic reasoning.

A clear, source-linked guide to NVIDIA Nemotron 3 Nano, Super, and Ultra—architecture, use cases, access options, and official model downloads in one place.

Facts are linked to primary and official sources.

Nemotron 3OPEN MODEL FAMILY
FAST & EFFICIENTNANO31.6B total
COLLABORATIVESUPERAgent scale
FRONTIER SCALEULTRA550B total
Hybrid architectureMamba + Transformer + MoE
Up to 1M contextFor long-running workflows
Reasoning controlConfigurable inference budgets