L Models Long context
Nemotron Ultra
by NVIDIA
Largest Nemotron 3 model for maximum open-weight reasoning and agent accuracy
NU
Models
Nemotron Ultra
Added 13 July 2026
#nvidia
#tool-call
#reasoning
#temperature
Overview
Largest Nemotron 3 model for maximum open-weight reasoning and agent accuracy
How to use / API access
Call via other with model id `nvidia/NVIDIA-Nemotron-3-Ultra-550B-A55B`.
- other ·
nvidia/NVIDIA-Nemotron-3-Ultra-550B-A55B
Notes
Nemotron Ultra is listed in the EDNA Models directory, sourced from models.dev.
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