Originally created by @triangle3pyramid9 on GitHub (Mar 8, 2025).
Check Existing Issues
I have searched the existing issues and discussions.
Installation Method
Git Clone
Open WebUI Version
0.3.20
Ollama Version (if applicable)
No response
Operating System
MacOS Sonoma
Browser (if applicable)
Safari
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 checked the browser console logs.
I have checked the Docker container logs.
I have listed steps to reproduce the bug in detail.
Expected Behavior
The letters with subscripts should be rendered correctly.
Actual Behavior
Error rendering letters with subscripts as can be seen from the picture.
Steps to Reproduce
Can be seen quite often in model responses (Gemini series)
Logs & Screenshots
Additional Information
No response
Originally created by @triangle3pyramid9 on GitHub (Mar 8, 2025).
### Check Existing Issues
- [x] I have searched the existing issues and discussions.
### Installation Method
Git Clone
### Open WebUI Version
0.3.20
### Ollama Version (if applicable)
_No response_
### Operating System
MacOS Sonoma
### Browser (if applicable)
Safari
### 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 checked the browser console logs.
- [x] I have checked the Docker container logs.
- [x] I have listed steps to reproduce the bug in detail.
### Expected Behavior
The letters with subscripts should be rendered correctly.
### Actual Behavior
Error rendering letters with subscripts as can be seen from the picture.
<img width="761" alt="Image" src="https://github.com/user-attachments/assets/8003368b-ecab-4bf0-b6c4-e0f6dafb90a7" />
### Steps to Reproduce
Can be seen quite often in model responses (Gemini series)
### Logs & Screenshots
<img width="761" alt="Image" src="https://github.com/user-attachments/assets/99c26e46-08e1-44f6-bfeb-b51f1e94751b" />
### Additional Information
_No response_
GiteaMirror
added the bug label 2025-11-11 15:51:37 -06:00
I experience the same. Seems to be a problem with the and tags specifically.
@FedeCuci commented on GitHub (Mar 8, 2025):
I experience the same. Seems to be a problem with the <sub> and </sub>tags specifically.

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Originally created by @triangle3pyramid9 on GitHub (Mar 8, 2025).
Check Existing Issues
Installation Method
Git Clone
Open WebUI Version
0.3.20
Ollama Version (if applicable)
No response
Operating System
MacOS Sonoma
Browser (if applicable)
Safari
Confirmation
README.md.Expected Behavior
The letters with subscripts should be rendered correctly.
Actual Behavior
Error rendering letters with subscripts as can be seen from the picture.
Steps to Reproduce
Can be seen quite often in model responses (Gemini series)
Logs & Screenshots
Additional Information
No response
@FedeCuci commented on GitHub (Mar 8, 2025):
I experience the same. Seems to be a problem with the and tags specifically.

@tjbck commented on GitHub (Mar 8, 2025):
Could you provide us with an instruction on how to reproduce?