MLX Community · First MLX build 30 Mar 2026

NVIDIA-Nemotron-3-Super-120B-A12B

MLX Text nvidia-nemotron-open-model-license

A 121B parameter text generation model, with 4 MLX builds, from 4-bit to 8-bit.

Hugging Face
Parameters
121B
From Hugging Face
Quantisation
4-bit
NVIDIA-Nemotron-3-Super-120B-A12B-4bit
Memory needed
78 GB
Estimate, unified memory
Download
68.0 GB
Weights, estimated
Downloads
515
This build, last 30 days
Task
Text generation
Text
MLX builds
4
On mlx-community
Devices
Mac
Apple silicon

Memory

Estimated from the size of the weights, plus a fifth for context and working memory and 2 GB for macOS and your apps. Long contexts need more.

Run it

Terminal · mlx-lm
$ pip install -U mlx-lm
$ mlx_lm.generate --model mlx-community/NVIDIA-Nemotron-3-Super-120B-A12B-4bit --prompt "Hello"

MLX builds

4 on mlx-community
Click a column to sort. Smallest size and most downloads are highlighted.
NVIDIA-Nemotron-3-Super-120B-A12B-4bit 4-bit 68.0 GB 78 GB 515
NVIDIA-Nemotron-3-Super-120B-A12B-5bit 5-bit 83.1 GB 95 GB 233
NVIDIA-Nemotron-3-Super-120B-A12B-6bit 6-bit 98.1 GB 112 GB 182
NVIDIA-Nemotron-3-Super-120B-A12B-8bit 8-bit 128 GB 146 GB 146

Sizes are estimated from Hugging Face’s parameter counts and the quantisation. Downloads are for the last 30 days.