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[GH-ISSUE #15336] issue: Model list is not synchronized under multiple copies #56200

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opened 2026-05-05 18:56:50 -05:00 by GiteaMirror · 3 comments
GiteaMirror commented 2026-05-05 18:56:50 -05:00
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Originally created by @EntropyYue on GitHub (Jun 26, 2025).
Original GitHub issue: https://github.com/open-webui/open-webui/issues/15336

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

0.6.15

Ollama Version (if applicable)

0.9.3

Operating System

Windows 10

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

The model should be ready to start a conversation immediately after appearing in the model list

Actual Behavior

Model not found Error

Steps to Reproduce

Create a new model using ollama by any method, such as simply copying a model to get a new one
Switch to open webui and observe a new model appearing in the model selector
Click on the model to try a conversation and receive the message "Model not found"

Logs & Screenshots

open-webui-3  | 2025-06-27 06:13:57.967 | INFO     | uvicorn.protocols.http.httptools_impl:send:476 - 172.18.0.1:0 - "POST /api/chat/completions HTTP/1.1" 400 - {}
open-webui-3  | 2025-06-27 06:14:06.526 | INFO     | uvicorn.protocols.http.httptools_impl:send:476 - 172.18.0.1:0 - "POST /api/chat/completions HTTP/1.1" 400 - {}
open-webui-3  | 2025-06-27 06:14:07.176 | INFO     | uvicorn.protocols.http.httptools_impl:send:476 - 172.18.0.1:0 - "POST /api/chat/completions HTTP/1.1" 400 - {}
open-webui-3  | 2025-06-27 06:14:07.746 | INFO     | uvicorn.protocols.http.httptools_impl:send:476 - 172.18.0.1:0 - "POST /api/chat/completions HTTP/1.1" 400 - {}
open-webui-3  | 2025-06-27 06:14:08.276 | INFO     | uvicorn.protocols.http.httptools_impl:send:476 - 172.18.0.1:0 - "POST /api/chat/completions HTTP/1.1" 400 - {}

Additional Information

Please try immediately after creating or copying a new model; this issue will disappears after some time

Originally created by @EntropyYue on GitHub (Jun 26, 2025). Original GitHub issue: https://github.com/open-webui/open-webui/issues/15336 ### 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 0.6.15 ### Ollama Version (if applicable) 0.9.3 ### Operating System Windows 10 ### 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 The model should be ready to start a conversation immediately after appearing in the model list ### Actual Behavior `Model not found` Error ### Steps to Reproduce Create a new model using ollama by any method, such as simply copying a model to get a new one Switch to open webui and observe a new model appearing in the model selector Click on the model to try a conversation and receive the message "Model not found" ### Logs & Screenshots ``` open-webui-3 | 2025-06-27 06:13:57.967 | INFO | uvicorn.protocols.http.httptools_impl:send:476 - 172.18.0.1:0 - "POST /api/chat/completions HTTP/1.1" 400 - {} open-webui-3 | 2025-06-27 06:14:06.526 | INFO | uvicorn.protocols.http.httptools_impl:send:476 - 172.18.0.1:0 - "POST /api/chat/completions HTTP/1.1" 400 - {} open-webui-3 | 2025-06-27 06:14:07.176 | INFO | uvicorn.protocols.http.httptools_impl:send:476 - 172.18.0.1:0 - "POST /api/chat/completions HTTP/1.1" 400 - {} open-webui-3 | 2025-06-27 06:14:07.746 | INFO | uvicorn.protocols.http.httptools_impl:send:476 - 172.18.0.1:0 - "POST /api/chat/completions HTTP/1.1" 400 - {} open-webui-3 | 2025-06-27 06:14:08.276 | INFO | uvicorn.protocols.http.httptools_impl:send:476 - 172.18.0.1:0 - "POST /api/chat/completions HTTP/1.1" 400 - {} ``` ### Additional Information Please try immediately after creating or copying a new model; this issue will disappears after some time
GiteaMirror added the bug label 2026-05-05 18:56:50 -05:00
GiteaMirror commented 2026-05-05 18:56:54 -05:00
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@tjbck commented on GitHub (Jun 27, 2025):

MODEL_LIST_CACHE_TTL env var has been added with 0447790e6a, try setting it as an empty string, and this should resolve your issue.

<!-- gh-comment-id:3012773140 --> @tjbck commented on GitHub (Jun 27, 2025): `MODEL_LIST_CACHE_TTL` env var has been added with 0447790e6ad9b4c543c1f354457c64e56eaca1fa, try setting it as an empty string, and this should resolve your issue.
GiteaMirror commented 2026-05-05 18:56:57 -05:00
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@tjbck commented on GitHub (Jun 28, 2025):

Renamed to MODELS_CACHE_TTL with 2b88f66762

<!-- gh-comment-id:3015176696 --> @tjbck commented on GitHub (Jun 28, 2025): Renamed to `MODELS_CACHE_TTL` with 2b88f66762a6607969ae3a9eb00b03d69127a7a4
GiteaMirror commented 2026-05-05 18:56:59 -05:00
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@saivarunk commented on GitHub (Sep 25, 2025):

@tjbck is there a mechanism to invalidate the cache keys for cached models? I have a scenario where we use the LiteLLM gateway connected to OpenWebUI, and sometimes, when we try to access the new models on OWUI, some % of the requests keep failing with Model not found error.

<!-- gh-comment-id:3334634711 --> @saivarunk commented on GitHub (Sep 25, 2025): @tjbck is there a mechanism to invalidate the cache keys for cached models? I have a scenario where we use the LiteLLM gateway connected to OpenWebUI, and sometimes, when we try to access the new models on OWUI, some % of the requests keep failing with `Model not found` error.
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Reference: github-starred/open-webui#56200
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