This is a quantized (NVFP4) version of NVIDIA's Nemotron-3 Ultra 550B model with 55B active parameters. It is designed for high-quality text generation and is released under an open model license. The model is hosted on Hugging Face and optimized for NVIDIA inference hardware and software.
NVIDIA Nemotron 3 Ultra 550B A55B is a Foundation models & chat product. It focuses on delivering frontier-level language model performance in a quantized form suitable for enterprise deployment. It is built as an open-source project for enterprise developers and researchers. NVIDIA Nemotron 3 Ultra 550B A55B is open source under the Open Source license. NVIDIA Nemotron 3 Ultra 550B A55B is available on the web and API.
Behind NVIDIA Nemotron 3 Ultra 550B A55B is NVIDIA, based in the United States, and the product first shipped in 2025. Key capabilities include Text Generation, Large Context, and Quantized Inference.
Latest indexed changes and source events
nvidia/NVIDIA-Nemotron-3-Ultra-550B-A55B-NVFP4 verified by the PulseGate indexer
Other apps tracked under the same category.
