[GH-ISSUE #18020] feat: Render Vega Charts #33996

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opened 2026-04-25 07:53:39 -05:00 by GiteaMirror · 0 comments
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Originally created by @tahoward on GitHub (Oct 2, 2025).
Original GitHub issue: https://github.com/open-webui/open-webui/issues/18020

Check Existing Issues

  • I have searched the existing issues and discussions.

Problem Description

Hello, is it possible to have open-webui render Vega/Vega-Lite specifications similar to how Mermaid is rendered?

Desired Solution you'd like

When the LLM returns a valid Vega specification the chart is rendered in the chat.

Alternatives Considered

No response

Additional Context

https://vega.github.io/vega/
https://github.com/vega/react-vega

Originally created by @tahoward on GitHub (Oct 2, 2025). Original GitHub issue: https://github.com/open-webui/open-webui/issues/18020 ### Check Existing Issues - [x] I have searched the existing issues and discussions. ### Problem Description Hello, is it possible to have open-webui render Vega/Vega-Lite specifications similar to how Mermaid is rendered? ### Desired Solution you'd like When the LLM returns a valid Vega specification the chart is rendered in the chat. ### Alternatives Considered _No response_ ### Additional Context https://vega.github.io/vega/ https://github.com/vega/react-vega
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Reference: github-starred/open-webui#33996