Chainlit

Build production-ready conversational AI apps in minutes
Chatbot BuildersFree (open-source)8,000

About Chainlit

Chainlit is an open-source Python package for building production-ready conversational AI interfaces. It provides chat UI components, file upload, streaming, and authentication — making it easy to create polished AI chat experiences.

Features

Chat UI
File upload
Streaming
Authentication
Multi-step display

The tally

FOR
  • +Beautiful chat UI out of the box
  • +Easy Python integration
  • +Streaming support
  • +File upload handling
  • +Authentication built-in
AGAINST
  • Python only
  • Less customizable than React alternatives
  • Smaller community
  • Limited component library

Related concepts

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