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license: apache-2.0
base_model: Qwen/Qwen-Image-2.1
library_name: mflux
tags:
  - mlx
  - mflux
  - text-to-image
  - image-to-image
  - qwen-image

Qwen-Image-2.1 mflux q4

Native MLX/mflux q4 conversion of Qwen/Qwen-Image-2.1 for Apple silicon. The transformer and Qwen3-VL text encoder are both stored in MLX affine 4-bit format; the VAE uses the mflux Qwen Image 2.1 layout.

This checkpoint was converted from upstream revision 790c92633540aa0cb11d9abf19eb46d861714758 with mflux 0.20.0 and MLX 0.32.2. It is intended for the reviewed low-memory loader in Rapid-MLX. Stock mflux 0.20.0 skips text-encoder quantization and cannot load this pack without that loader change.

Measured during feasibility testing on a Mac Studio:

512x512, 40 steps: 4.68 GiB peak MLX memory
1024x1024, 4 steps: 5.14 GiB peak MLX memory
packaged size: approximately 8.9 GB

These measurements used prompt materialization, encoder/transformer eviction, a zero MLX cache, and tiled VAE decoding. Physical 8 GB and 16 GB Mac release qualification is still required.

The original model and this conversion are licensed under Apache-2.0. See LICENSE and the upstream model.