Nemotron 3 Ultra: Open, Efficient Mixture-of-Experts Hybrid Mamba-Transformer Model for Agentic Reasoning

arXiv:2606.15007 · cs.CL, cs.AI, cs.LG · Submitted 2026-06-12 · Read on arXiv

cs.CL, cs.AI, cs.LG

Submitted: 2026-06-12

Updated: 2026-06-12

Terminology

• Accuracy — 2× in this paper · explained in 1 episode
• Agentic Reasoning — 1× in this paper · explained in 1 episode
• Agentic Task — 1× in this paper · explained in 1 episode
• Agentic Tasks — 1× in this paper · explained in 1 episode
• Distillation — 1× in this paper · explained in 2 episodes
• Multi-teacher On-Policy Distillation — 1× in this paper
• On-Policy Distillation — 1× in this paper · explained in 3 episodes
• Reinforcement Learning — 1× in this paper · explained in 4 episodes
• Reinforcement Learning (RL) — 1× in this paper · explained in 25 episodes
• Transformer — 1× in this paper · explained in 2 episodes
• Transformer Model — 1× in this paper · explained in 2 episodes

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