# Nvidia releases Nemotron 3 Ultra (550B/55B MoE, hybrid Mamba-Transformer, 1M context...

LLMS index: [llms.txt](/ai-market-research/llms.txt)

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**Model roster** · Nvidia releases Nemotron 3 Ultra (550B/55B MoE, hybrid Mamba-Transformer, 1M context, NVIDIA Open Model License) at Computex — first frontier-scale open model from Nvidia.