Alibaba Qwen · First MLX build 6 Aug 2025

Qwen3-4B-Instruct-2507

MLX Text apache-2.0

A 4B parameter text generation model from Alibaba Qwen, with 13 MLX builds, from 4-bit to bf16.

Hugging Face
Parameters
4B
From Hugging Face
Quantisation
4-bit
Qwen3-4B-Instruct-2507-4bit
Memory needed
5 GB
Estimate, unified memory
Download
2.3 GB
Weights, estimated
Downloads
96K
This build, last 30 days
Task
Text generation
Text
MLX builds
13
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/Qwen3-4B-Instruct-2507-4bit --prompt "Hello"

MLX builds

13 on mlx-community
Click a column to sort. Smallest size and most downloads are highlighted.
Qwen3-4B-Instruct-2507-DDWQ 4-bit 570 MB 3 GB 36
Qwen3-4B-Instruct-2507-4bit 4-bit 2.3 GB 5 GB 96K
Qwen3-4B-Instruct-2507-4bit-DWQ-2510 4-bit DWQ 2.3 GB 5 GB 1.1K
Qwen3-4B-Instruct-2507-nvfp4 4-bit 2.3 GB 5 GB 177
Qwen3-4B-Instruct-2507-4bit-g32 4-bit 2.3 GB 5 GB 88
Qwen3-4B-Instruct-2507-mxfp4 MXFP4 2.3 GB 5 GB 79
Qwen3-4B-Instruct-2507-5.0bpw-dynamic 4-bit 2.3 GB 5 GB 45
Qwen3-4B-Instruct-2507-5bit 5-bit 2.8 GB 6 GB 156
Qwen3-4B-Instruct-2507-5bit-g32 5-bit 2.8 GB 6 GB 68
Qwen3-4B-Instruct-2507-6bit 6-bit 3.3 GB 6 GB 215
Qwen3-4B-Instruct-2507-8bit 8-bit 4.3 GB 7 GB 818
Qwen3-4B-Instruct-2507-mxfp8 MXFP8 4.3 GB 7 GB 161
Qwen3-4B-Instruct-2507-bf16 bf16 8.0 GB 11 GB 289

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