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[GH-ISSUE #20926] issue: deepseek-reasoner stops response after first tool call #57996

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opened 2026-05-05 22:08:43 -05:00 by GiteaMirror · 5 comments
GiteaMirror commented 2026-05-05 22:08:43 -05:00
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Originally created by @filiptrplan on GitHub (Jan 25, 2026).
Original GitHub issue: https://github.com/open-webui/open-webui/issues/20926

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

v0.7.2

Ollama Version (if applicable)

No response

Operating System

Linux

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 continue its response

Actual Behavior

The model stops the response after getting the tool call result.

Steps to Reproduce

  1. Add deepseek-reasoner via their native API https://api.deepseek.com
  2. Ask it to call a native tool
  3. The tool gets called but the model stops the response.

Logs & Screenshots

Image

Additional Information

No response

Originally created by @filiptrplan on GitHub (Jan 25, 2026). Original GitHub issue: https://github.com/open-webui/open-webui/issues/20926 ### 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 v0.7.2 ### Ollama Version (if applicable) _No response_ ### Operating System Linux ### 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 continue its response ### Actual Behavior The model stops the response after getting the tool call result. ### Steps to Reproduce 1. Add `deepseek-reasoner` via their native API https://api.deepseek.com 2. Ask it to call a native tool 3. The tool gets called but the model stops the response. ### Logs & Screenshots <img width="1110" height="1011" alt="Image" src="https://github.com/user-attachments/assets/7e64f29e-5a33-4369-a13c-d9cadd1a7d79" /> ### Additional Information _No response_
GiteaMirror added the bug label 2026-05-05 22:08:43 -05:00
GiteaMirror commented 2026-05-05 22:08:46 -05:00
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@owui-terminator[bot] commented on GitHub (Jan 25, 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. #17058 issue: Response cannot be stopped after the tool is called
    by EntropyYue • Aug 30, 2025 • bug, confirmed issue

  2. #20595 issue: "search_web" tool executed even when "Web Search" control disabled
    by SlavikCA • Jan 11, 2026 • bug

  3. #20641 issue: Web Search and Builtin Tools permissions break search
    by HenkieTenkie62 • Jan 13, 2026 • 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:3796565741 --> @owui-terminator[bot] commented on GitHub (Jan 25, 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. [#17058](https://github.com/open-webui/open-webui/issues/17058) **issue: Response cannot be stopped after the tool is called** *by EntropyYue • Aug 30, 2025 • `bug`, `confirmed issue`* 2. [#20595](https://github.com/open-webui/open-webui/issues/20595) **issue: "search_web" tool executed even when "Web Search" control disabled** *by SlavikCA • Jan 11, 2026 • `bug`* 3. [#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`* --- 💡 **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.
GiteaMirror commented 2026-05-05 22:08:46 -05:00
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@silentoplayz commented on GitHub (Jan 25, 2026):

Related - https://github.com/open-webui/open-webui/issues/20896

<!-- gh-comment-id:3796807402 --> @silentoplayz commented on GitHub (Jan 25, 2026): Related - https://github.com/open-webui/open-webui/issues/20896
GiteaMirror commented 2026-05-05 22:08:47 -05:00
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@Classic298 commented on GitHub (Jan 25, 2026):

Testing wanted https://github.com/open-webui/open-webui/pull/20933

<!-- gh-comment-id:3797099284 --> @Classic298 commented on GitHub (Jan 25, 2026): Testing wanted https://github.com/open-webui/open-webui/pull/20933
GiteaMirror commented 2026-05-05 22:08:48 -05:00
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@filiptrplan commented on GitHub (Jan 25, 2026):

Testing wanted https://github.com/open-webui/open-webui/pull/20933

Would love to test, is there any reference on how to set the branch up on docker?

<!-- gh-comment-id:3797198100 --> @filiptrplan commented on GitHub (Jan 25, 2026): > Testing wanted https://github.com/open-webui/open-webui/pull/20933 Would love to test, is there any reference on how to set the branch up on docker?
GiteaMirror commented 2026-05-05 22:08:49 -05:00
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@Classic298 commented on GitHub (Jan 25, 2026):

@filiptrplan
only the docs - guides for setting up a development environment in python or docker - pull my repository, switch to the branch of this very PR and then build the docker image OR install the backend and frontend directly and test so

<!-- gh-comment-id:3797207993 --> @Classic298 commented on GitHub (Jan 25, 2026): @filiptrplan only the docs - guides for setting up a development environment in python or docker - pull my repository, switch to the branch of this very PR and then build the docker image OR install the backend and frontend directly and test so
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