---
name: 'Nvidia: Nemotron 3 Ultra (Batch)'
slug: nemotron-3-ultra-550b-a55b-batch
type: LLM
providers:
  - openrouter
description: >-
  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...
tags:
  - open-source
  - llm
is_open_source: true
context_window: 512288
pricing:
  - image: 0
    input: 0.3
    output: 1.7999999999999998
    provider: openrouter
release_date: '2024-01-01'
openrouter_id: 'nvidia/nemotron-3-ultra-550b-a55b:batch'
capabilities:
  audio: false
  vision: false
  tool_use: false
  citations: false
  reasoning: true
---
Nvidia: Nemotron 3 Ultra (Batch) is a LLM model.
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...