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[GH-ISSUE #48] Default model is not selected automatically via gateway #20

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opened 2026-10-18 14:02:04 +00:00 by bsakaguchi · 6 comments

bsakaguchi commented

2026-10-18 14:02:04 +00:00

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Originally created by @naqerl on GitHub (Jun 15, 2026).
Original GitHub issue: https://github.com/open-webui/computer/issues/48

I've setup gateway and kept default model select option Use workspace/default model. With this setting, i get an error in OpenWebUI No model connections configured. Add a connection in cptr settings. and see in the cptr logs INFO: 127.0.0.1:60970 - "POST /v1/chat/completions HTTP/1.1" 503 Service Unavailable.

As a workaround, I've chosen manually default model for the gateway.

I'd be glad to investigate further this issue if help is appreciated

Originally created by @naqerl on GitHub (Jun 15, 2026). Original GitHub issue: https://github.com/open-webui/computer/issues/48 I've setup gateway and kept default model select option `Use workspace/default model`. With this setting, i get an error in OpenWebUI `No model connections configured. Add a connection in cptr settings.` and see in the cptr logs `INFO: 127.0.0.1:60970 - "POST /v1/chat/completions HTTP/1.1" 503 Service Unavailable`. As a workaround, I've chosen manually default model for the gateway. I'd be glad to investigate further this issue if help is appreciated

bsakaguchi closed this issue

2026-10-18 14:02:05 +00:00

bsakaguchi commented

2026-10-18 14:02:06 +00:00

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@tjbck commented on GitHub (Jun 15, 2026):

Should be addressed in latest.

@tjbck commented on GitHub (Jun 15, 2026): Should be addressed in latest.

bsakaguchi commented

2026-10-18 14:02:06 +00:00

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@naqerl commented on GitHub (Jun 15, 2026):

Confirmed, it works now. Yet met another issue in OpenWebUI with thinking block right in the model answer like this:

<think>
The user has sent a casual greeting "hey there". I should respond in a friendly, warm manner as a conversational opener. No function calls needed here - this is just a social greeting.
</think>
Hey! How's it going? What can I help you with today? 😊

@naqerl commented on GitHub (Jun 15, 2026): Confirmed, it works now. Yet met another issue in OpenWebUI with thinking block right in the model answer like this: ``` <think> The user has sent a casual greeting "hey there". I should respond in a friendly, warm manner as a conversational opener. No function calls needed here - this is just a social greeting. </think> Hey! How's it going? What can I help you with today? 😊 ```

bsakaguchi commented

2026-10-18 14:02:06 +00:00

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@naqerl commented on GitHub (Jun 15, 2026):

With these headers set in OpenWebUI connection, all model requests go to the utility branch in cptr's chat completions router:

{
  "X-OpenWebUI-Chat-Id": "{{CHAT_ID}}",
  "X-OpenWebUI-Message-Id": "{{MESSAGE_ID}}",
  "X-OpenWebUI-User-Message-Id": "{{USER_MESSAGE_ID}}",
  "X-OpenWebUI-User-Message-Parent-Id": "{{USER_MESSAGE_PARENT_ID}}",
  "X-OpenWebUI-Task": "{{TASK}}"
}

@naqerl commented on GitHub (Jun 15, 2026): With these headers set in OpenWebUI connection, all model requests go to the utility branch in cptr's chat completions router: ```json { "X-OpenWebUI-Chat-Id": "{{CHAT_ID}}", "X-OpenWebUI-Message-Id": "{{MESSAGE_ID}}", "X-OpenWebUI-User-Message-Id": "{{USER_MESSAGE_ID}}", "X-OpenWebUI-User-Message-Parent-Id": "{{USER_MESSAGE_PARENT_ID}}", "X-OpenWebUI-Task": "{{TASK}}" } ```

bsakaguchi commented

2026-10-18 14:02:06 +00:00

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@tjbck commented on GitHub (Jun 15, 2026):

@naqerl those headers require Open WebUI dev branch atm, we're expecting to do a new release with in a few days.

@tjbck commented on GitHub (Jun 15, 2026): @naqerl those headers require Open WebUI dev branch atm, we're expecting to do a new release with in a few days.

bsakaguchi commented

2026-10-18 14:02:06 +00:00

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@naqerl commented on GitHub (Jun 15, 2026):

@tjbck I see, I'll switch and test!

@naqerl commented on GitHub (Jun 15, 2026): @tjbck I see, I'll switch and test!

bsakaguchi commented

2026-10-18 14:02:06 +00:00

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@naqerl commented on GitHub (Jun 15, 2026):

I confirm this working. Sent the following prompts from OpenWebUI and got proper responses and multiple tool calls:

What files to you see?
Explore the repo and describe it’s contents

@naqerl commented on GitHub (Jun 15, 2026): I confirm this working. Sent the following prompts from OpenWebUI and got proper responses and multiple tool calls: - What files to you see? - Explore the repo and describe it’s contents

bsakaguchi referenced this issue

2026-10-18 14:04:07 +00:00

[PR #20] [MERGED] v0.1.8: fix PyPI wheel missing frontend build #244