NVIDIA: Nemotron 3 Ultra

openrouter.ai

NVIDIA Nemotron 3 Ultra is an open frontier-reasoning and orchestration model from NVIDIA, with 55B active parameters out of 550B total (MoE). Built on a hybrid Transformer-Mamba mixture-of-experts architecture, it...

Description

Specs

Type	Model
Section	Models & platforms / text->text
Pricing	paid (от $0.5/mo)
Platform	Self-hosted
Systems	api, python, self-hosted
Hosting	cloud
Site language	en
Vendor	Nvidia
Launched	2026-06-04

Can do

Platforms

api python self-hosted

Found in sources

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