Nemotron 3 Ultra
1 article tagged with Nemotron 3 Ultra
June 4, 2026
model releaseNVIDIA
NVIDIA Nemotron 3 Ultra launches on AWS SageMaker with 550B parameters, 1M token context window
NVIDIA Nemotron 3 Ultra is now available on Amazon SageMaker JumpStart with 550 billion total parameters and 55 billion active parameters. The model features a hybrid Transformer-Mamba Mixture-of-Experts architecture and supports context windows up to 1 million tokens, targeting agentic AI workloads.