Introducing NVIDIA Nemotron 3 Ultra: An Open 550B Model for Long-Running Agents @NVIDIADeveloper
Introducing NVIDIA Nemotron 3 Ultra: An Open 550B Model for Long-Running Agents  @NVIDIADeveloper
Uploaded June 2026 | Updated September 2026, 3 weeks ago
NVIDIA Nemotron 3 Ultra is a 550B-parameter open Mixture-of-Experts (MoE) model built for the next generation of agentic AI.

Designed for long-running agents, Nemotron 3 Ultra can plan, reason, use tools, write and debug code, conduct research, and solve complex tasks across extended workflows. It delivers up to 5x faster inference and up to 30% lower cost for complex agentic workloads.

Released under the Linux Foundation's OpenMDW license, Nemotron 3 Ultra is fully open, with open weights, open data, and open recipes. Developers and enterprises can fine-tune it for domain-specific use cases and deploy it across cloud, on-premises, and edge environments.

Learn how NVIDIA and the Nemotron Coalition are advancing open AI and building the foundation for the next generation of intelligent agents.

Learn more: nvda.ws/4oa6Anu
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Introducing NVIDIA Nemotron 3 Ultra: An Open 550B Model for Long-Running Agents

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