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Jun 5, 6:44 AM
NVIDIA releases Nemotron 3 Ultra, an open 550B MoE model optimized for agents
NVIDIA's Nemotron 3 Ultra is a 550B MoE model with 55B active parameters and 1M context, released as open weights under OpenMDW 1.1. It achieved a 47.7 score on the Artificial Analysis Intelligence Index, making it the strongest US open-weights model tested, and delivers 400+ output tok/s via BlackBox. The model shipped day 0 on vLLM, Modal, Together, and other platforms.
Jun 5, 6:44 AM