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[GH-ISSUE #20775] issue: calls to tools in gpt-oss #122596

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opened 2026-05-21 01:29:27 -05:00 by GiteaMirror · 1 comment
GiteaMirror commented 2026-05-21 01:29:27 -05:00
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Originally created by @chdid on GitHub (Jan 18, 2026).
Original GitHub issue: https://github.com/open-webui/open-webui/issues/20775

Check Existing Issues

  • I have searched for any existing and/or related issues.
  • I have searched for any existing and/or related discussions.
  • I have also searched in the CLOSED issues AND CLOSED discussions and found no related items (your issue might already be addressed on the development branch!).
  • I am using the latest version of Open WebUI.

Installation Method

Docker

Open WebUI Version

0.7.2

Ollama Version (if applicable)

No response

Operating System

ubuntu 22

Browser (if applicable)

Chrome

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

I want to use the native tool calling features of openwebui. This feature has been available since version 0.7.0.
The desired behavior is therefore the use of a model with reflection (openai/gpt-oss-120b in my case) with multiple calls to search_web for example.

Actual Behavior

Currently, I get a result about one time out of five.
If the model makes only one call to search_web, the search usually works and I get a result.

If the model continues processing and tries to make another call, it stops without returning an error or a result.

Steps to Reproduce

Configuring a model with openai/gpt-oss-120b.
I select the option to enable calls to native functions: Builtin Tools and "Web search" in Capabilities + "native" in Function Calls.

Start a chat with "Who is the president of France?"

Logs & Screenshots

  1. Chat OK
Image
  1. Chat KO
Image

The tool to launch is displayed, but the process stops.
No errors are shown in the logs.

Same problem with URL.

Image

Additional Information

No response

Originally created by @chdid on GitHub (Jan 18, 2026). Original GitHub issue: https://github.com/open-webui/open-webui/issues/20775 ### Check Existing Issues - [x] I have searched for any existing and/or related issues. - [x] I have searched for any existing and/or related discussions. - [x] I have also searched in the CLOSED issues AND CLOSED discussions and found no related items (your issue might already be addressed on the development branch!). - [x] I am using the latest version of Open WebUI. ### Installation Method Docker ### Open WebUI Version 0.7.2 ### Ollama Version (if applicable) _No response_ ### Operating System ubuntu 22 ### Browser (if applicable) Chrome ### 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 I want to use the native tool calling features of openwebui. This feature has been available since version 0.7.0. The desired behavior is therefore the use of a model with reflection (openai/gpt-oss-120b in my case) with multiple calls to search_web for example. ### Actual Behavior Currently, I get a result about one time out of five. If the model makes only one call to `search_web`, the search usually works and I get a result. If the model continues processing and tries to make another call, it stops without returning an error or a result. ### Steps to Reproduce Configuring a model with openai/gpt-oss-120b. I select the option to enable calls to native functions: Builtin Tools and "Web search" in Capabilities + "native" in Function Calls. Start a chat with "Who is the president of France?" ### Logs & Screenshots 1. Chat OK <img width="420" height="201" alt="Image" src="https://github.com/user-attachments/assets/2812cb49-73e4-437b-bab9-6fce24908c0a" /> 2. Chat KO <img width="1032" height="325" alt="Image" src="https://github.com/user-attachments/assets/58e980ef-b56b-4916-989b-9af712b975d2" /> The tool to launch is displayed, but the process stops. No errors are shown in the logs. Same problem with URL. <img width="965" height="211" alt="Image" src="https://github.com/user-attachments/assets/3d9285b1-ee96-4904-95cc-817bc943b831" /> ### Additional Information _No response_
GiteaMirror added the bug label 2026-05-21 01:29:27 -05:00
GiteaMirror commented 2026-05-21 01:29:30 -05:00
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@owui-terminator[bot] commented on GitHub (Jan 18, 2026):

🔍 Similar Issues Found

I found some existing issues that might be related to this one. Please check if any of these are duplicates or contain helpful solutions:

  1. #20641 issue: Web Search and Builtin Tools permissions break search
    by HenkieTenkie62 • Jan 13, 2026 • bug

  2. #20676 issue: Cloud models fail to use native tools
    by 0x7CFE • Jan 15, 2026 • bug

  3. #20549 issue: Native tools are injected when models are used over the openwebui API.
    by LysanderdeJong • Jan 10, 2026 • bug

  4. #18981 issue: 0.6.35 error using tools through mcpo
    by GlisseManTV • Nov 06, 2025 • bug

  5. #19808 issue: 0.6.41 - Slow response from /api/v1/tools/
    by wongsatornt2529 • Dec 08, 2025 • bug

Show 3 more related issues

  1. #18159 issue: Issue with using a tool call and knolwedge documents.
    by rahepler2 • Oct 08, 2025 • bug

  2. #20150 issue: Tools not included for models in channel messages
    by zhiweit • Dec 24, 2025 • bug

  3. #19136 issue: tool servers don't work anymore in the latest version v0.6.36
    by isNotOkay • Nov 12, 2025 • bug

💡 Tips:

  • If this is a duplicate, please consider closing this issue and adding any additional details to the existing one
  • If you found a solution in any of these issues, please share it here to help others

This comment was generated automatically by a bot. Please react with a 👍 if this comment was helpful, or a 👎 if it was not.

<!-- gh-comment-id:3765019013 --> @owui-terminator[bot] commented on GitHub (Jan 18, 2026): 🔍 **Similar Issues Found** I found some existing issues that might be related to this one. Please check if any of these are duplicates or contain helpful solutions: 1. [#20641](https://github.com/open-webui/open-webui/issues/20641) **issue: Web Search and Builtin Tools permissions break search** *by HenkieTenkie62 • Jan 13, 2026 • `bug`* 2. [#20676](https://github.com/open-webui/open-webui/issues/20676) **issue: Cloud models fail to use native tools** *by 0x7CFE • Jan 15, 2026 • `bug`* 3. [#20549](https://github.com/open-webui/open-webui/issues/20549) **issue: Native tools are injected when models are used over the openwebui API.** *by LysanderdeJong • Jan 10, 2026 • `bug`* 4. [#18981](https://github.com/open-webui/open-webui/issues/18981) **issue: 0.6.35 error using tools through mcpo** *by GlisseManTV • Nov 06, 2025 • `bug`* 5. [#19808](https://github.com/open-webui/open-webui/issues/19808) **issue: 0.6.41 - Slow response from /api/v1/tools/** *by wongsatornt2529 • Dec 08, 2025 • `bug`* <details> <summary>Show 3 more related issues</summary> 6. [#18159](https://github.com/open-webui/open-webui/issues/18159) **issue: Issue with using a tool call and knolwedge documents.** *by rahepler2 • Oct 08, 2025 • `bug`* 7. [#20150](https://github.com/open-webui/open-webui/issues/20150) **issue: Tools not included for models in channel messages** *by zhiweit • Dec 24, 2025 • `bug`* 8. [#19136](https://github.com/open-webui/open-webui/issues/19136) **issue: tool servers don't work anymore in the latest version v0.6.36** *by isNotOkay • Nov 12, 2025 • `bug`* </details> --- 💡 **Tips:** - If this is a duplicate, please consider closing this issue and adding any additional details to the existing one - If you found a solution in any of these issues, please share it here to help others *This comment was generated automatically by a bot.* Please react with a 👍 if this comment was helpful, or a 👎 if it was not.
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