llm-ui
FreeA React library for building LLM UIs.
FreeFree tier
About llm-ui
llm-ui is a React library for building user interfaces for large language models (LLMs). It provides components and utilities to render streamed LLM output smoothly, with features like markdown syntax handling, custom component integration, throttling, native frame rate rendering, Shiki-powered code blocks, and a headless design for custom styling.
Key Features
Removes broken markdown syntax
Add your own custom components to LLM output
Throttling smooths out pauses in the LLM’s streamed output
Renders output at native frame rate
Code blocks for every language with Shiki
Headless: Bring your own styles
Pros & Cons
Pros
- Open source with MIT license
- Customizable components
- Smooth streaming with throttling
- Native frame rate rendering
- Comprehensive code syntax highlighting via Shiki
- Headless design for full styling control
Best For
Building chat interfaces for LLMsDisplaying real-time streamed LLM outputCreating customizable markdown renderers for AI responsesIntegrating AI assistants into React applications