Nemotron 3 Ultra
NVIDIA · · 85 days after Nemotron 3 Super
Verified
3 of 3 published values traced to a source2 primary sources, 2 archived
Why this status
Modalities recorded as text-to-text. No image, audio or video capability appears anywhere in the primary sources, which labs advertise prominently when present. Capabilities evidenced from the primary sources: agentic: “Nemotron-Posttraining-v3 : A collection of post-training datasets for improving agentic, reasoning, and general model capabilities during SFT and RL.”.
What these states mean · How records are judged · Has this record changed?
A 550B open MoE hybrid Mamba-Transformer model built for long-running agents.
Details
| Released | June 4, 2026stated in research.nvidia.comNemotron 3 Ultra was released on June 4, 2026.
|
|---|---|
| Company | NVIDIA |
| Family | Nemotron |
| Era | Agentic systems |
| Type | Language model · LLM |
| Modalities | Text → Text |
| Capabilities | Agentic |
| Weights | Open weights |
| Licence | OpenMDW License 1.1 |
| Context window | 1M tokensstated in research.nvidia.comNemotron 3 Ultra supports a context window of 1,000,000 tokens.
|
| Parameters | 550Bstated in research.nvidia.comNemotron 3 Ultra has 550,000,000,000 parameters.
|
Release timeline
A model has more than one date. The timeline above positions it at its announcement; these are every recorded lifecycle event, each with the source that evidences it.
- Announced research.nvidia.com, openmdw.ai
- Weights published research.nvidia.com
Current information, elsewhere
This record is a historical one: every figure above is traced to a dated primary source. For what is true today — live pricing, current rankings, availability — these are better maintained than anything here could be.
- Current price and providers OpenRouter ↗
- Current benchmark scores Artificial Analysis ↗
- Weights and model card Hugging Face ↗
Sources
Record status: verified · confidence 90/100 · 2 of 2 primary
Modalities recorded as text-to-text. No image, audio or video capability appears anywhere in the primary sources, which labs advertise prominently when present. Capabilities evidenced from the primary sources: agentic: “Nemotron-Posttraining-v3 : A collection of post-training datasets for improving agentic, reasoning, and general model capabilities during SFT and RL.”.
- research.nvidia.com Official announcement archived
- openmdw.ai Official announcement archived
Primary means published by the organisation that made the model. Verified records require at least one.
Nemotron family
- Nemotron-4 340B June 14, 2024
- Nemotron 3 Nano 30B-A3B December 23, 2025
- Nemotron 3 Super March 11, 2026
- Nemotron 3 Ultra June 4, 2026
- Nemotron 3.5 Lightning August 11, 2026
- Nemotron 3.5 Super VL October 15, 2026
- Nemotron 3.5 Bolt 74B-A9B October 15, 2026
Compare Nemotron 3 Ultra with another model →
See Nemotron 3 Ultra on the interactive timeline →