NVIDIA Releases Nemotron 3 Ultra: 550B Open Model
NVIDIA's Nemotron 3 Ultra brings 550B open-source AI at 5x faster inference and 30% lower cost than competing open frontier models, now live on Hugging Face.
NVIDIA's Nemotron 3 Ultra brings 550B open-source AI at 5x faster inference and 30% lower cost than competing open frontier models, now live on Hugging Face.

NVIDIA ships Nemotron 3 Ultra: a fully open 550B MoE model with 1M-token context, 5× faster inference, and Day-0 LangChain coalition backing for agents.
NVIDIA open-releases Nemotron 3 Nano Omni (30B MoE/3B active): unified video/audio/image/text model with 9× video-reasoning capacity improvement vs. predecessors.
Nvidia's Nemotron 3 Nano Omni is a 30B-A3B MoE open multimodal model built for agentic AI, with vision and speech capabilities.
NVIDIA's ~100-model unified API catalog at build.nvidia.com lets developers prototype across text, image, audio, video, and agentic workflows without owning infrastructure.
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