MLX Community · First MLX build 11 Aug 2026

NVIDIA-Nemotron-3.5-Lightning-30B-A3B

MLX Text openmdw-1.1

A 32B parameter text generation model, with 4 MLX builds, from 4-bit to 8-bit.

Hugging Face
Parameters
32B
From Hugging Face
Quantisation
4-bit
NVIDIA-Nemotron-3.5-Lightning-30B-A3B-4bit
Memory needed
22 GB
Estimate, unified memory
Download
17.8 GB
Weights, estimated
Downloads
2.7K
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-3.5-Lightning-30B-A3B-4bit --prompt "Hello"

MLX builds

4 on mlx-community
Click a column to sort. Smallest size and most downloads are highlighted.
NVIDIA-Nemotron-3.5-Lightning-30B-A3B-4bit 4-bit 17.8 GB 22 GB 2.7K
NVIDIA-Nemotron-3.5-Lightning-30B-A3B-mxfp4 MXFP4 17.8 GB 22 GB 550
NVIDIA-Nemotron-3.5-Lightning-30B-A3B-mxfp8 MXFP8 33.6 GB 40 GB 962
NVIDIA-Nemotron-3.5-Lightning-30B-A3B-8bit 8-bit 33.6 GB 40 GB 449

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