NVIDIA · NVIDIA Nemotron Open

NVIDIA Nemotron 3

NVIDIA reasoning models with a hybrid design that keeps conversation memory tiny, even at long context.

How much memory it needs

The model file, plus memory for the conversation, plus about 1 GB for the app. Longer conversations need more.

SizeVersionFileAt 8KAt 32KAt 128K
4BQ4_K_M2.8 GB4.0 GB4.4 GB6.0 GB
Q8_04.2 GB5.4 GB5.8 GB7.4 GB
32B (3B active)Q4_K_M24.6 GB25.6 GB25.8 GB26.4 GB
Q8_033.6 GB34.6 GB34.8 GB35.4 GB
124B (12B active)Q4_K_M86.0 GB87.1 GB87.3 GB88.1 GB
Q8_0128 GB130 GB130 GB131 GB

Which computers run it

The best size for each machine at an 8K-token conversation. Speeds are estimates from memory bandwidth.

ComputerBest versionFitSpeed
Laptop or PC, no graphics card, 32 GB4B Q8_0Runs great12–19tok/sSmooth
RTX 4060 · 8 GB4B Q8_0Runs great35–60tok/sFast
RTX 3060 · 12 GB4B Q8_0Runs great50–75tok/sFast
RTX 5060 Ti · 16 GB4B Q8_0Runs great60–90tok/sFast
RTX 4090 · 24 GB4B Q8_0Runs great120–190tok/sFast
RTX 5090 · 32 GB32B Q4_K_MRuns well140–270tok/sFast
Mac with M4 · 16 GB4B Q8_0Runs great16–25tok/sSmooth
Mac with M4 Pro · 48 GB32B Q8_0Runs well30–70tok/sFast
Mac with M5 Max · 128 GB124B Q4_K_MRuns great30–60tok/sFast
Ryzen AI Max+ 395 · 128 GB124B Q4_K_MRuns well11–20tok/sSmooth
DGX Spark · 128 GB124B Q4_K_MRuns well12–25tok/sSmooth
RTX PRO 6000 · 96 GB124B Q4_K_MRuns well60–120tok/sFast
Mac Studio with M5 Ultra · 256 GB124B Q8_0Runs great20–45tok/sSmooth
Mac Studio with M3 Ultra · 512 GB124B Q8_0Runs great15–30tok/sSmooth

What it is good and bad at

Good at

  • Very long conversations without much extra memory
  • Fast mixture-of-experts sizes

Not good at

  • Nano 30B-A3B file is larger than similar 30B models (about 25 GB at Q4)

Start it

Install Ollama, then run one of these in a terminal. LM Studio users can search the same name in the app.

ollama run nemotron-3-nano:4b
ollama run nemotron-3-nano:30b
ollama run nemotron-3-super:120b