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[GH-ISSUE #22651] issue: Anthropic Claude code 4.5, 4.6 won't finish their replies, they get cut of. #19778

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opened 2026-04-20 02:16:58 -05:00 by GiteaMirror · 5 comments
GiteaMirror commented 2026-04-20 02:16:58 -05:00
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Originally created by @christianheins on GitHub (Mar 13, 2026).
Original GitHub issue: https://github.com/open-webui/open-webui/issues/22651

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

Pip Install

Open WebUI Version

Version v0.8.10 (latest)

Ollama Version (if applicable)

No response

Operating System

Ubutu 22.04

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

Using AIML as model provider. When I use Claude 4.6 I expect for it to give me a full reply and not to be cut off.

Actual Behavior

Answers break from Claude opus 4.5, 4.6 most of anthropic api. Model provider AIML

Steps to Reproduce

  1. Configure AIML as model provider using their web base url : https://api.aimlapi.com/v1
  2. open a chat
  3. type in to generate code
  4. breaks around lines 40-45

Logs & Screenshots

Image

Additional Information

That's all, in all versions ive had the same issue, I am not sure if I am the inly person using AIML and Openweb UI at the moment. I run it a hetzner ubuntu vps.

Originally created by @christianheins on GitHub (Mar 13, 2026). Original GitHub issue: https://github.com/open-webui/open-webui/issues/22651 ### 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 Pip Install ### Open WebUI Version Version v0.8.10 (latest) ### Ollama Version (if applicable) _No response_ ### Operating System Ubutu 22.04 ### 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 Using AIML as model provider. When I use Claude 4.6 I expect for it to give me a full reply and not to be cut off. ### Actual Behavior Answers break from Claude opus 4.5, 4.6 most of anthropic api. Model provider AIML ### Steps to Reproduce 1. Configure AIML as model provider using their web base url : https://api.aimlapi.com/v1 2. open a chat 3. type in to generate code 4. breaks around lines 40-45 ### Logs & Screenshots <img width="831" height="956" alt="Image" src="https://github.com/user-attachments/assets/ec7e943c-cbf0-4210-a541-6caea9fc5929" /> ### Additional Information That's all, in all versions ive had the same issue, I am not sure if I am the inly person using AIML and Openweb UI at the moment. I run it a hetzner ubuntu vps.
GiteaMirror added the bug label 2026-04-20 02:16:58 -05:00
GiteaMirror commented 2026-04-20 02:17:00 -05:00
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@christianheins commented on GitHub (Mar 13, 2026):

Image

it just breaks, event when telling it afterwards, finish it.

<!-- gh-comment-id:4057223070 --> @christianheins commented on GitHub (Mar 13, 2026): <img width="1250" height="727" alt="Image" src="https://github.com/user-attachments/assets/4cb7bd83-ef65-4bae-b3e2-5b235ab2ba60" /> it just breaks, event when telling it afterwards, finish it.
GiteaMirror commented 2026-04-20 02:17:00 -05:00
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@christianheins commented on GitHub (Mar 13, 2026):

Image
<!-- gh-comment-id:4057251439 --> @christianheins commented on GitHub (Mar 13, 2026): <img width="618" height="1053" alt="Image" src="https://github.com/user-attachments/assets/9bff891f-97b6-4b1b-9602-b65087038499" />
GiteaMirror commented 2026-04-20 02:17:01 -05:00
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@christianheins commented on GitHub (Mar 13, 2026):

switching in the same chat and finishing it with gpt 5.2

Image
<!-- gh-comment-id:4057296292 --> @christianheins commented on GitHub (Mar 13, 2026): switching in the same chat and finishing it with gpt 5.2 <img width="843" height="1120" alt="Image" src="https://github.com/user-attachments/assets/b16d783f-6bf0-4b44-aad7-bb1fb3bb3942" />
GiteaMirror commented 2026-04-20 02:17:01 -05:00
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@Classic298 commented on GitHub (Mar 13, 2026):

do you use a reverse proxy between yourself and open webui? if so check your timeouts and check your open webui timeout env vars as well. Cannot reproduce with vertex ai, anthropic, openrouter, litellm and azure.

https://docs.openwebui.com/reference/env-configuration#aiohttp_client_timeout

https://docs.openwebui.com/reference/https/nginx

if you did all of this, likely provider issue

<!-- gh-comment-id:4057334717 --> @Classic298 commented on GitHub (Mar 13, 2026): do you use a reverse proxy between yourself and open webui? if so check your timeouts and check your open webui timeout env vars as well. Cannot reproduce with vertex ai, anthropic, openrouter, litellm and azure. https://docs.openwebui.com/reference/env-configuration#aiohttp_client_timeout https://docs.openwebui.com/reference/https/nginx if you did all of this, likely provider issue
GiteaMirror commented 2026-04-20 02:17:01 -05:00
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@christianheins commented on GitHub (Mar 30, 2026):

Hi! I wanted to update, the problem was the provider. Switched from AIML to OpenRouter.

<!-- gh-comment-id:4156282863 --> @christianheins commented on GitHub (Mar 30, 2026): Hi! I wanted to update, the problem was the provider. Switched from AIML to OpenRouter.
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Reference: github-starred/open-webui#19778
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