NVIDIA Nemotron 3 Ultra 550B A55B
NVIDIA Nemotron-3 Ultra is a massive 550 billion parameter (with 55B active) mixture-of-experts model released in BF16 format. It is designed for high-quality text generation and complex reasoning. The model is hosted on Hugging Face and targets developers and enterprises needing state-of-the-art open language model capabilities.
Overview
3 featuresNVIDIA Nemotron 3 Ultra 550B A55B sits in PulseGate's Text generation category. It focuses on running high-performance, large-scale language model inference for complex reasoning and generation tasks. NVIDIA Nemotron 3 Ultra 550B A55B is an open-source project aimed at developers. The project is open source (Apache-2.0). It runs on the command line and API.
NVIDIA builds and maintains NVIDIA Nemotron 3 Ultra 550B A55B, and it first shipped in 2026. The project is developed in the open on GitHub with 314 stars and 72 commits in the last 90 days. Key capabilities include mixture-of-experts, large-scale inference, and instruction following.
Summary written by a language model from the project’s public pages.
- Mixture-of-experts
- Large-scale inference
- Instruction following
Built with & integrations
- AWS
- x-amz-cf-id header · x-amz-cf-pop header · via header
- openai
- bgpt- in the HTML
- multiple
- bvercel/ai in the HTML
- local_oss
- bollama in the HTML · bllama in the HTML · bvllm in the HTML
Trust & compliance
Indexing history
1What PulseGate has recorded for this listing
- Indexed21 Jul · 17:06 UTCnvidia/NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16 verified via Hugging Face EnumeratorSource: Hugging Face Enumerator · Open
Frequently asked questions about NVIDIA Nemotron 3 Ultra 550B A55B
- What is NVIDIA Nemotron 3 Ultra 550B A55B?
- NVIDIA Nemotron 3 Ultra 550B A55B focuses on running high-performance, large-scale language model inference for complex reasoning and generation tasks. It is catalogued under Text generation on PulseGate.
- Who is NVIDIA Nemotron 3 Ultra 550B A55B for?
- NVIDIA Nemotron 3 Ultra 550B A55B is an open-source project built for developers.
- Is NVIDIA Nemotron 3 Ultra 550B A55B free?
- Yes — NVIDIA Nemotron 3 Ultra 550B A55B is open source under the Apache-2.0 license and free to use.
- What platforms does NVIDIA Nemotron 3 Ultra 550B A55B run on?
- NVIDIA Nemotron 3 Ultra 550B A55B runs on the command line and API.
- Is NVIDIA Nemotron 3 Ultra 550B A55B still active?
- The GitHub repository shows 72 commits in the last 90 days.
- What projects are similar to NVIDIA Nemotron 3 Ultra 550B A55B?
- Similar projects tracked by PulseGate include NVIDIA Nemotron 3 Ultra 550B A55B, NVIDIA Nemotron 3.5 Lightning 30B A3B, and NVIDIA Nemotron 3 Nano 4B.NVIDIA Nemotron 3 Ultra 550B A55BNVIDIA Nemotron 3.5 Lightning 30B A3BNVIDIA Nemotron 3 Nano 4B
- Who develops NVIDIA Nemotron 3 Ultra 550B A55B?
- NVIDIA Nemotron 3 Ultra 550B A55B is developed by NVIDIA, based in the United States.
- How long has NVIDIA Nemotron 3 Ultra 550B A55B been around?
- NVIDIA Nemotron 3 Ultra 550B A55B first shipped in 2026.
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