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issue: Image generation api is not working perfectly. It doesnt switch image size #6137

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opened 2025-11-11 16:45:52 -06:00 by GiteaMirror · 1 comment
GiteaMirror commented 2025-11-11 16:45:52 -06:00
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Originally created by @ALIENvsROBOT on GitHub (Aug 19, 2025).

Check Existing Issues

  • I have searched the existing issues and discussions.
  • I am using the latest version of Open WebUI.

Installation Method

Docker

Open WebUI Version

v0.6.22

Ollama Version (if applicable)

No response

Operating System

Ubuntu

Browser (if applicable)

No response

Confirmation

  • I have read and followed all instructions in README.md.
  • I am using the latest version of both Open WebUI and Ollama.
  • I have included the browser console logs.
  • I have included the Docker container logs.
  • I have provided every relevant configuration, setting, and environment variable used in my setup.
  • I have clearly listed every relevant configuration, custom setting, environment variable, and command-line option that influences my setup (such as Docker Compose overrides, .env values, browser settings, authentication configurations, etc).
  • I have documented step-by-step reproduction instructions that are precise, sequential, and leave nothing to interpretation. My steps:
  • Start with the initial platform/version/OS and dependencies used,
  • Specify exact install/launch/configure commands,
  • List URLs visited, user input (incl. example values/emails/passwords if needed),
  • Describe all options and toggles enabled or changed,
  • Include any files or environmental changes,
  • Identify the expected and actual result at each stage,
  • Ensure any reasonably skilled user can follow and hit the same issue.

Expected Behavior

Im using comfyui for image generation along with open-webui. Im using this api /api/v1/images/generations
my request payload:
{
"model": "flux1-dev.safetensors",
"prompt": "cat holding hello world!",
"size": "1980x1080",
"n": "1"
}

its should return image in the size of 1980x1080 . But its returning the image in the size of 1024x1024 which is my default image setting. Image Generation api doesn't obey the size of the image from api.

Actual Behavior

/api/v1/images/generations api is not returning the image in the requested size instead its returning image in default size in the settings.

Steps to Reproduce

Generate image via /api/v1/images/generations . with different size in comfyui.

Logs & Screenshots

None

Additional Information

No response

Originally created by @ALIENvsROBOT on GitHub (Aug 19, 2025). ### Check Existing Issues - [x] I have searched the existing issues and discussions. - [x] I am using the latest version of Open WebUI. ### Installation Method Docker ### Open WebUI Version v0.6.22 ### Ollama Version (if applicable) _No response_ ### Operating System Ubuntu ### Browser (if applicable) _No response_ ### Confirmation - [x] I have read and followed all instructions in `README.md`. - [x] I am using the latest version of **both** Open WebUI and Ollama. - [x] I have included the browser console logs. - [x] I have included the Docker container logs. - [x] I have **provided every relevant configuration, setting, and environment variable used in my setup.** - [x] I have clearly **listed every relevant configuration, custom setting, environment variable, and command-line option that influences my setup** (such as Docker Compose overrides, .env values, browser settings, authentication configurations, etc). - [x] I have documented **step-by-step reproduction instructions that are precise, sequential, and leave nothing to interpretation**. My steps: - Start with the initial platform/version/OS and dependencies used, - Specify exact install/launch/configure commands, - List URLs visited, user input (incl. example values/emails/passwords if needed), - Describe all options and toggles enabled or changed, - Include any files or environmental changes, - Identify the expected and actual result at each stage, - Ensure any reasonably skilled user can follow and hit the same issue. ### Expected Behavior Im using comfyui for image generation along with open-webui. Im using this api /api/v1/images/generations my request payload: { "model": "flux1-dev.safetensors", "prompt": "cat holding hello world!", "size": "1980x1080", "n": "1" } its should return image in the size of **1980x1080** . But its returning the image in the size of 1024x1024 which is my default image setting. Image Generation api doesn't obey the size of the image from api. ### Actual Behavior /api/v1/images/generations api is not returning the image in the requested size instead its returning image in default size in the settings. ### Steps to Reproduce Generate image via /api/v1/images/generations . with different size in comfyui. ### Logs & Screenshots None ### Additional Information _No response_
GiteaMirror added the bug label 2025-11-11 16:45:52 -06:00
GiteaMirror commented 2025-11-11 16:45:53 -06:00
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@tjbck commented on GitHub (Aug 19, 2025):

Should be addressed with 8eb5807c5f737dcca6304acdf71345c8066ab33b!

@tjbck commented on GitHub (Aug 19, 2025): Should be addressed with 8eb5807c5f737dcca6304acdf71345c8066ab33b!
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Reference: github-starred/open-webui#6137
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