Fixed a bug that occured on ollama models when prefix was missing. It was due to a wrong mapping inside the dictionary for models.
Fixed
Implemented a fallback for the model name and prefix option
Screenshots or Videos
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Note
Deleting the CLA section will lead to immediate closure of your PR and it will not be merged in.
🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.
## 📋 Pull Request Information
**Original PR:** https://github.com/open-webui/open-webui/pull/19209
**Author:** [@vmesel](https://github.com/vmesel)
**Created:** 11/16/2025
**Status:** ❌ Closed
**Base:** `dev` ← **Head:** `fix/19194-prefix-bug`
---
### 📝 Commits (1)
- [`4bb7690`](https://github.com/open-webui/open-webui/commit/4bb769097b5d5436b4c0fd1a02dea5d66f0ef478) fix: prefix bug not occuring anymore for Ollama models
### 📊 Changes
**3 files changed** (+10 additions, -1 deletions)
<details>
<summary>View changed files</summary>
📝 `backend/open_webui/routers/ollama.py` (+6 -0)
📝 `backend/open_webui/routers/openai.py` (+3 -0)
📝 `backend/open_webui/utils/models.py` (+1 -1)
</details>
### 📄 Description
# Changelog Entry
### Description
Fixed a bug that occured on ollama models when prefix was missing. It was due to a wrong mapping inside the dictionary for models.
### Fixed
- Implemented a fallback for the model name and prefix option
### Screenshots or Videos
<img width="1134" height="654" alt="image" src="https://github.com/user-attachments/assets/190c152b-33e7-46eb-8d0a-c9c27aecb365" />
<img width="1244" height="759" alt="image" src="https://github.com/user-attachments/assets/4981d933-abf6-43b5-bf9b-11b2c8c87948" />
<img width="539" height="491" alt="image" src="https://github.com/user-attachments/assets/55f57e51-b8f9-4097-ac40-19ddeaf06585" />
### Contributor License Agreement
By submitting this pull request, I confirm that I have read and fully agree to the [Contributor License Agreement (CLA)](https://github.com/open-webui/open-webui/blob/main/CONTRIBUTOR_LICENSE_AGREEMENT), and I am providing my contributions under its terms.
> [!NOTE]
> Deleting the CLA section will lead to immediate closure of your PR and it will not be merged in.
---
<sub>🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.</sub>
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📋 Pull Request Information
Original PR: https://github.com/open-webui/open-webui/pull/19209
Author: @vmesel
Created: 11/16/2025
Status: ❌ Closed
Base:
dev← Head:fix/19194-prefix-bug📝 Commits (1)
4bb7690fix: prefix bug not occuring anymore for Ollama models📊 Changes
3 files changed (+10 additions, -1 deletions)
View changed files
📝
backend/open_webui/routers/ollama.py(+6 -0)📝
backend/open_webui/routers/openai.py(+3 -0)📝
backend/open_webui/utils/models.py(+1 -1)📄 Description
Changelog Entry
Description
Fixed a bug that occured on ollama models when prefix was missing. It was due to a wrong mapping inside the dictionary for models.
Fixed
Screenshots or Videos
Contributor License Agreement
By submitting this pull request, I confirm that I have read and fully agree to the Contributor License Agreement (CLA), and I am providing my contributions under its terms.
🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.