nvidia/NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16
NVIDIA Nemotron 3 Ultra hybrid Transformer-Mamba MoE model for long-context agentic reasoning, coding, and tool use.
550B total / 55B active parameters with BF16 and NVFP4 serving paths
NVIDIA Nemotron 3 Ultra hybrid Transformer-Mamba MoE model for long-context agentic reasoning, coding, and tool use.
550B total / 55B active parameters with BF16 and NVFP4 serving paths
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