About Flux.1-krea-dev
https://docs.comfy.org/tutorials/flux/flux1-krea-dev

About Flux.1-krea-dev (nunchaku version)
https://huggingface.co/nunchaku-tech/nunchaku-flux.1-krea-dev

Discover the cutting-edge power of nunchaku-flux.1-krea-dev, the latest advance in text-to-image AI models! Built on the robust FLUX.1-dev base, this model delivers stunning, high-quality image generation with optimized efficiency through innovative 4-bit quantization technology.

With the included svdq-fp4_r32-flux.1-krea-dev.safetensors file, you can experience blazing fast inference speeds on Nvidia GPUs while maintaining excellent image fidelity. Whether you’re a digital artist, developer, or AI enthusiast, this model empowers you to create rich visuals effortlessly.

Download now to unlock:

• Flux Krea is fully compatible with LoRAs designed for Flux Dev.

• State-of-the-art image synthesis tuned for creative flexibility

• Efficient performance optimized for Blackwell GPU architectures

• Robust open-source foundation with cutting edge quantization research backing

• Ready integration with Diffusers and ComfyUI for seamless workflow

Elevate your AI-generated art and media projects with Elevate your AI-generated art and media projects with nunchaku-flux.1-krea-dev — innovation meets artistry in every pixel.

Flux.1-krea-dev Release date : 2025.7.31

Requirement :

• Minimum VRAM requirement is about 6 GB vram (such as RTX 2060 or 3060)

• Recommended VRAM is 10 GB or more for better performance and stability

• Settings like CPU offload and smaller batch sizes help when VRAM is limited

• Minimum system-RAM requirement is about 16 GB
  Recommended system-ram: 32 GB

1) Download the Flux.1-krea-dev (nunchaku version)

https://huggingface.co/nunchaku-tech/nunchaku-flux.1-krea-dev/tree/main
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Nvidia RTX50
svdq-fp4_r32-flux.1-krea-dev.safetensors (plz visit huggingface.co find download)

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Nvidia RTX 20 / 30 / 40
svdq-int4_r32-flux.1-krea-dev.safetensors (Click me = Download now)
This File has uploaded at this post
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path: \ComfyUI\models\diffusion_models\svdq-int4_r32-flux.1-krea-dev.safetensors

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2 advanced text_encoders are recommended to make it easier for you to create masterpieces

text_encoders 1 : t5xxl_fp8_e4m3fn_scaled  (same with Flux Dev)
text_encoders 2 : clip_l (you can just use this to replace HiDream)
text_encoders 3 : Long CLIP - Distilled for Flux (Download) (471.71MB) optional !!!

path : \ComfyUI\models\text_encoders\

2) Download my workflow for <Flux.1 (nunchaku version)>
{ 20sec 1 photo Workflow }

Flux Dev / Krea 20 sec Workflow v1.0 (2025.08.03)
Flux Dev / Krea 20 sec Workflow v2.0 (New 2025.08.13)
Flux Kontext 20 sec workflow v1.0 (2025.08.13)

3) open ComfyUI and load the workflow, enjoy

All generate by Flux.1-krea-dev -> (svdq-int4_r32-flux.1-krea-dev) in 20sec@ 1 photo

workflow name : 1-nunchaku-flux.1-Krea-dev(T2I) 5Lora.json

workflow name : 1-nunchaku-flux.1-dev(T2I) 10Lora-Pro.json v2.0

workflow name : 1-nunchaku-flux.1-Kontext(I2I)_v1.json

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Lora I use in this workflow

https://civitai.com/collections/11428250 (check my Flux Lora collection)

https://civitai.com/models/685874/flux-detailer
https://civitai.com/models/1166973/aesthetic-details
https://civitai.com/models/??3886/flux-faetastic-details
https://civitai.com/models/1470162/midjourney-v7-meets-flux-illustrious
https://civitai.com/models/1371216/realanime

path : ....\ComfyUI\models\loras\

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advanced text_encoders are recommended to make it easier for you to create masterpieces

text_encoders 1 : t5xxl_fp8_e4m3fn_scaled  (same with Flux Dev)
text_encoders 2 : HiDream CLIP - Distilled for Flux (Download) (471.71MB) optional !!!
text_encoders 3 : clip_l
(You can use Flux Dev - text_encoders)
path : ....\ComfyUI\models\text_encoders\