nvidia/NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16 · Hugging Face
Model Summary Total Parameters 550B (55B active) Architecture LatentMoE - Mamba-2 + MoE + Attention hybrid with Multi-Token Prediction (MTP) Context Length Up to 1M tokens Minimum GPU Requirement 8x GB200/B200/G
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