21:42
2026-06-04
marktechpost.com
large-language-models
NVIDIA AI Releases Nemotron 3 Ultra: An Open 550B Mixture-of-Experts Hybrid Mamba-Transformer for Long-Running Agents
NVIDIA released Nemotron 3 Ultra, a 550-billion-parameter open Mixture-of-Experts model designed for long-running AI agents that plan, use tools, and reason across many turns. The model uses a hybrid …