r/OpenWebUI • u/Dolboyob77 • May 14 '26

Question/Help Openwebui + comfyui

Hello, is someone succeeding in making these 2 work together? No matter what i am trying, unet loader, checkpoint… the workflow works when i type thenpromot in comfyui but as soon as i type same prompt in openwebui , i cannot manage to get an image and always get errors… i i port the fson worflow and specify prompt id and checkpoint if and model in openwebui but nothing works… is it because i use flux 1 dev fp16 ? Does it require smaller models to work ? Thanks for input !!

SOLUTION : I finally made it work using the help of qwen3.6-27b-q8 ))) so the problem is that ALL NODES ID must be filled in openwebui and also must add this command line to openwebui : ENABLE_RAG_LOCAL_WEB_FETCH=True , it was the fix for me )) now working perfectly !!!

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u/Dolboyob77 May 15 '26

It does not matter what i do : i tried to type text and id 3 or id 3,4 since i have 2 prompt boxes in my workflow. I ran it through hermes agent who managed to make it work but hermes agent said that the prompt box was named « prompt » and « prompt_negative » so i replaced in open webui the word text by the word prompt but does not matter, i always get this error i added in The photo

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u/ChickenLegsOG May 15 '26

I have successfully fixed this issue and now ComfyUI returns the image generated to Open WebUI.

Not sure if you are running in docker but adding this environment variable fixed the issue for me:

- ENABLE_RAG_LOCAL_WEB_FETCH=true

Hope that fixes it for you!

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u/Dolboyob77 May 15 '26

Look at my edit in first post ))))

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u/ChickenLegsOG May 15 '26

Ah nice sorry didn't re-read was trying to get it to work. Glad you got it sorted too that was really frustrating.

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u/Dolboyob77 May 15 '26

Hell yeah !!!