Alternatives to FLUX.1-dev

FLUX.1-dev alternatives

FLUX.1-dev's smallest published quantization is 3.75 GiB. The models below do the same job with a different trade — less memory, comparable size, or a more permissive licence.

From the file· sizes from summed file bytes

Meaningfully smaller

under 70% of its smallest quantization
ModelParamsSmallestQuantsLicence
FLUX.2-klein-4B3.9B1.70 GiB21apache-2.0
Z-Image-Turbo6.2B2.41 GiB30apache-2.0
Krea-2-Raw12.8B2.34 GiB29other
wai-nsfw-illustrious-v110-sdxl2.6B1.39 GiB9—
stable-diffusion-3.5-medium2.5B1.35 GiB21other
stable-diffusion-v1-5860M1.46 GiB7creativeml-openrail-m
stable-diffusion-3-medium7.9B1.20 GiB18other
Anima2.1B0.95 GiB23other

Comparable in size

within ±40%, so a like-for-like swap
ModelParamsSmallestQuantsLicence
FLUX.2-klein-9B9.1B3.71 GiB29other
Qwen-Image-Edit-251120.4B4.13 GiB36apache-2.0
Krea-2-Turbo12.8B2.78 GiB33other
Chroma8.9B3.99 GiB273apache-2.0
FLUX.1-schnell11.9B3.73 GiB37apache-2.0
FLUX.1-Fill-dev11.9B3.87 GiB25other
stable-diffusion-3.5-large8.1B4.44 GiB17other
FLUX.1-Kontext-dev11.9B3.75 GiB37other

More permissively licensed

licences that allow commercial use
ModelParamsSmallestQuantsLicence
Qwen-Image-Edit-251120.4B4.13 GiB36apache-2.0
FLUX.2-klein-4B3.9B1.70 GiB21apache-2.0
Z-Image-Turbo6.2B2.41 GiB30apache-2.0
Chroma8.9B3.99 GiB273apache-2.0
FLUX.1-schnell11.9B3.73 GiB37apache-2.0
Qwen-Image-251220.4B6.83 GiB17apache-2.0
Qwen-Image-Edit-250920.4B6.50 GiB51apache-2.0
Qwen-Image20.4B6.58 GiB43apache-2.0