LLM Markdown – Demo of rich-text support
This app is demonstrating how to support rich-text (markdown) in LLM responses (OpenAI in this case). It's a Nextjs app, with Vercel AI, and remark for handling the formatting.
LLM Markdown – Demo of rich-text support launched on July 3, 2023 with 7 votes, #1,751 of 4,347 launches that month and more than 50% of that year's launches. The site was still online in September 2026, 3 years on.
What it does
App demo for rendering rich-text (markdown) from a Large Language Model.
This app is a demo for supporting rich-text responses from a Large Language Model (LLM). Once you provide your OpenAI API Key, you can start prompting and receiving rich-text responses. A system prompt is used to encourage the LLM to generate a response with Markdown and Mermaid formatting. The response is rendered using unified , Mermaid , and LaTeX.js with Nextjs . For an example of the supported formatting, see supported markdownfrom llm-markdown.vercel.app
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