Chainlit is an open-source Python framework for building production-ready conversational AI applications with beautiful UI components. With over 11,700 GitHub stars, Chainlit enables rapid prototyping and deployment of chatbots, RAG applications, and conversational agents with minimal code.
â ī¸ Important: As of May 1st, 2025, the original Chainlit team stepped back from active development. The project is now community-maintained under a formal Maintainer Agreement. Chainlit SAS provides no warranties on future updates.
License: Apache-2.0
GitHub: Chainlit/chainlit
- đ¨ Beautiful UI Components - Pre-built chat interface with message threading
- ⥠Rapid Prototyping - Build conversational apps in minutes
- đ Integrations - LangChain, LlamaIndex, OpenAI, Anthropic, and more
- đ Element Display - Show images, PDFs, charts, and dataframes
- đ Human Feedback - Collect user feedback on AI responses
- đ Step-by-Step Execution - Visualize agent reasoning and tool usage
- đ Authentication - Built-in user authentication support
- đ Analytics - Track conversations and user interactions
- đ Custom Actions - Interactive buttons and user inputs
- RAG Applications - Document Q&A with citations
- Chatbots - Customer support and assistance
- Agent Debugging - Visualize agent reasoning steps
- Data Exploration - Interactive data analysis conversations
- Educational Tools - Interactive learning applications
| Component |
Technology |
| Language |
Python (56.5%), TypeScript (41.5%) |
| Package Manager |
pip, Poetry, uv |
| Frontend |
React, TypeScript |
| Backend |
FastAPI, Python |
| Deployment |
Python application (no official Docker image) |
| Component |
Minimum |
Recommended |
| OS |
Linux, macOS, Windows |
Linux (Ubuntu 20.04+) |
| Python |
3.10+ |
3.11+ |
| CPU |
1 core |
2+ cores |
| RAM |
512 MB |
2+ GB |
| Disk |
500 MB |
2+ GB |
- â
Open-source (Apache-2.0 License)
- â ī¸ Community-Maintained (since May 2025)
- â
11.7k+ GitHub stars
- â
163+ releases (latest: v2.10.0 - March 5, 2026)
- â
198 contributors
- â
PyPI package:
chainlit
- â ī¸ Original team stepped back; community maintains project
- âšī¸ No official Docker image - deploy as Python application
Âļ History and References
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