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NVIDIA · nemotron_h_omni

Can I run nemotron3?

NVIDIA Nemotron 3 Nano Omni is a multimodal large language model that unifies video, audio, image, and text understanding to support enterprise-grade Q&A, summarization, transcription, and document intelligence workflows.

33B parameters128K contextimagetextNVIDIA Open Model License Agreement1 builds
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nemotron3 system requirements

Memory needed at 4K context, counting model weights, KV cache, compute buffers and runtime overhead. Download sizes come from the official Ollama registry.

Download size and memory required for each nemotron3 build
BuildQuantizationDownloadMemory needed
nemotron3:33bQ4_K_M25.7 GB~37.2 GB(est.)

Figures marked (est.) approximate the KV cache because this model's architecture details are not published. They are indicative rather than exact.

How to run nemotron3 locally

  1. 1.Install Ollama for Windows, macOS or Linux.
  2. 2.Run this in a terminal:ollama run nemotron3:33b
  3. 3.The weights download on first run, then an interactive prompt opens.

Frequently asked questions about nemotron3

How much VRAM do I need to run nemotron3?
At 4K context, the smallest published build of nemotron3 (Q4_K_M) needs roughly 37.2 GB of GPU memory once weights, KV cache, compute buffers and runtime overhead are counted. Bigger quantizations and longer context windows need more. It can also run partly or entirely on the CPU using system RAM, more slowly.
Can I run nemotron3 without a dedicated GPU?
Yes, but slowly. Without a GPU the model runs on the CPU using system RAM, which usually means a few tokens per second rather than dozens. You would need at least 37.2 GB of free RAM for the smallest build.
How big is the nemotron3 download?
The smallest published build is 25.7 GB. Leave some extra free disk space beyond the download itself.
How do I run nemotron3 locally?
Install Ollama, then run "ollama run nemotron3:33b" in a terminal. The weights download on first use and an interactive session opens.

Will nemotron3 run on your PC?

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Model data from the official Ollama registry · verified 13/09/2026