Updated: Apr 28, 2025
toolU have three options
- Fp16 (15.21 GB) 
- Q8 (8.08 GB) 
- Q6_K(6.24 GB) 
(my experience the result i got from in-painting here https://civitai.com/models/1108146/fluxfill-devgguf
and controlnet here
https://civitai.com/models/1488208/flux1-dev-controlnet-union-pro-20fp8
more professional but this model have good features because its very flexible)
THis has Free license So please Support who spend time and train this model for u
(Ostris)
the original model https://huggingface.co/ostris/Flex.2-preview
u can find this at end of model page

i prepare professional WORKFLOW one here
https://civitai.com/models/1514962?modelVersionId=1713872
U can drop any image for workflow
Dont forget š
Flux Loras works
(Redux not work)
Diffusion model
- Place the Flex.2-preview model in: - ComfyUI/models/diffusion_models/
Text encoders
- Place the following in - ComfyUI/models/text_encoders/:- Option 1 (FP8): t5xxl_fp8_e4m3fn_scaled.safetensors 
- Option 2 (FP16): t5xxl_fp16.safetensors 
 
VAE
- Place ae.safetensors in: - ComfyUI/models/vae/
Required Custom Node
- Install ComfyUI-FlexTools: 
cd ComfyUI/custom_nodes
git clone https://github.com/ostris/ComfyUI-FlexToolsComfyUI/
āāā models/
ā āāā diffusion_models/
ā ā āāāā flex.2-preview.safetensors
ā āāā text_encoders/
ā ā āāāā t5xxl_fp8_e4m3fn_scaled.safetensors
ā ā āāāā t5xxl_fp16.safetensors
ā ā āāāā clip_l.safetensors
ā āāā vae/
ā āāā ae.safetensors
āāā custom_nodes/
āāā ComfyUI-FlexTools/ (git clone from repository)



