Awesome
Welcome to Chainlit by Literal AI π
Build production-ready Conversational AI applications in minutes, not weeks β‘οΈ
Chainlit is an open-source async Python framework which allows developers to build scalable Conversational AI or agentic applications.
- β ChatGPT-like application
- β Embedded Chatbot & Software Copilot
- β Slack & Discord
- β Custom frontend (build your own agentic experience)
- β API Endpoint
Full documentation is available here. You can ask Chainlit related questions to Chainlit Help, an app built using Chainlit!
<p align="center"> <img src="https://github.com/Chainlit/chainlit/assets/13104895/0c2cc7a9-766c-41d3-aae2-117a2d0eb8ed" width="80%" /> </p>[!NOTE]
Contact us here for Enterprise Support. Check out Literal AI, our product to monitor and evaluate LLM applications! It works with any Python or TypeScript applications and seamlessly with Chainlit by adding aLITERAL_API_KEY
in your project.
Installation
Open a terminal and run:
$ pip install chainlit
$ chainlit hello
If this opens the hello app
in your browser, you're all set!
π Quickstart
π Pure Python
Create a new file demo.py
with the following code:
import chainlit as cl
@cl.step(type="tool")
async def tool():
# Fake tool
await cl.sleep(2)
return "Response from the tool!"
@cl.on_message # this function will be called every time a user inputs a message in the UI
async def main(message: cl.Message):
"""
This function is called every time a user inputs a message in the UI.
It sends back an intermediate response from the tool, followed by the final answer.
Args:
message: The user's message.
Returns:
None.
"""
final_answer = await cl.Message(content="").send()
# Call the tool
final_answer.content = await tool()
await final_answer.update()
Now run it!
$ chainlit run demo.py -w
<img src="/images/quick-start.png" alt="Quick Start"></img>
π Key Features and Integrations
Full documentation is available here. Key features:
- π¬ Multi Modal chats
- π Chain of Thought visualisation
- πΎ Data persistence + human feedback
- π Debug Mode
- π€ Authentication
Chainlit is compatible with all Python programs and libraries. That being said, it comes with integrations for:
π More Examples - Cookbook
You can find various examples of Chainlit apps here that leverage tools and services such as OpenAI, AnthropiΡ, LangChain, LlamaIndex, ChromaDB, Pinecone and more.
Tell us what you would like to see added in Chainlit using the Github issues or on Discord.
π Contributing
As an open-source initiative in a rapidly evolving domain, we welcome contributions, be it through the addition of new features or the improvement of documentation.
For detailed information on how to contribute, see here.
π License
Chainlit is open-source and licensed under the Apache 2.0 license.