07:57
2026-06-18
dev.to
large-language-models
Nemotron 3 Ultra went live June 4. Here's the call that works.
NVIDIA released Nemotron 3 Ultra on June 4, 2026, a 550-billion-parameter open-weights model that achieves the highest intelligence score among US open models. The model uses a hybrid Mamba-Transforme…