I have searched for all existing open AND closed issues and discussions for similar requests. I have found none that is comparable to my request.
Verify Feature Scope
I have read through and understood the scope definition for feature requests in the Issues section. I believe my feature request meets the definition and belongs in the Issues section instead of the Discussions.
Problem Description
When requesting gemini-3.1-flash-image-preview via OpenAI, the backend returns valid Base64 encoding, but it cannot be rendered.
Desired Solution you'd like
Capable of rendering Base64 encoding
Alternatives Considered
No response
Additional Context
No response
Originally created by @17Reset on GitHub (Feb 28, 2026).
Original GitHub issue: https://github.com/open-webui/open-webui/issues/21953
### Check Existing Issues
- [x] I have searched for all existing **open AND closed** issues and discussions for similar requests. I have found none that is comparable to my request.
### Verify Feature Scope
- [x] I have read through and understood the scope definition for feature requests in the Issues section. I believe my feature request meets the definition and belongs in the Issues section instead of the Discussions.
### Problem Description
When requesting gemini-3.1-flash-image-preview via OpenAI, the backend returns valid Base64 encoding, but it cannot be rendered.
<img width="993" height="265" alt="Image" src="https://github.com/user-attachments/assets/fca3e576-267c-4f6d-a238-e2d0dda536d0" />
<img width="967" height="213" alt="Image" src="https://github.com/user-attachments/assets/429a5799-01b0-4ed2-9c4d-5a3018182d82" />
### Desired Solution you'd like
Capable of rendering Base64 encoding
### Alternatives Considered
_No response_
### Additional Context
_No response_
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Originally created by @17Reset on GitHub (Feb 28, 2026).
Original GitHub issue: https://github.com/open-webui/open-webui/issues/21953
Check Existing Issues
Verify Feature Scope
Problem Description
When requesting gemini-3.1-flash-image-preview via OpenAI, the backend returns valid Base64 encoding, but it cannot be rendered.
Desired Solution you'd like
Capable of rendering Base64 encoding
Alternatives Considered
No response
Additional Context
No response