Framework
Chainlit
Chainlit is an open-source AI framework, launched in 2023, made for developers.
A Python framework for building chat interfaces for LLM apps.
Can do: Build a chatbot. It is open source and free to use. You can use it in the browser, on your own server and through an API.
Markdown version of https://godooo.ai/en/framework/chainlit. Every page on this site has one: add .md to its address.
At a glance
- Type
- Framework
- Launched
- 2023
- Galaxy
- Models & APIs
- Open source
- Yes · Apache-2.0
- Source code
- github.com/Chainlit/chainlit
- GitHub stars
- 12,475
- How you run it
- Web · Self-host · API
- Made for
- Developers
- Website
- docs.chainlit.io
What it can do
Build a chatbotsupportedunconfirmed
“Chainlit is an open-source Python package to build production ready Conversational AI.”— docs.chainlit.io, 2026-09-24
unconfirmedproposed by a machine, awaiting calibration
Alternatives
- GradioOpen source, freeAlso does: Build a chatbot; runs offline
- Coze 扣子Free plan + paid upgradesAlso does: Build a chatbot; no code needed
- DifyOpen source, freeAlso does: Build a chatbot; no code needed
- GPTsAlso does: Build a chatbot; no code needed
- BotpressOpen source, freeAlso does: Build a chatbot
- FastGPTOpen source, freeAlso does: Build a chatbot; no code needed
- GemsAlso does: Build a chatbot; no code needed
- LangBotOpen source, freeAlso does: Build a chatbot; no code needed
- MaxKBOpen source, freeAlso does: Build a chatbot; no code needed
- RasaOpen source, freeAlso does: Build a chatbot
- FlowiseOpen source, freeAlso does: Build a chatbot; runs offline; no code needed
Questions
What is Chainlit?
Chainlit is an open-source AI framework, launched in 2023, made for developers. A Python framework for building chat interfaces for LLM apps.
Is Chainlit free?
Yes. Chainlit is open source (Apache-2.0) and free to use.
Is Chainlit open source?
Yes, under the Apache-2.0 license. The source code is at https://github.com/Chainlit/chainlit.
Can Chainlit run locally?
Chainlit can be self-hosted on your own server.
What can Chainlit do?
It can do: Build a chatbot.
What are open-source alternatives to Chainlit?
Open-source ones: Gradio, Dify, Botpress, FastGPT, LangBot, MaxKB, Rasa and Flowise. Others: Coze 扣子, GPTs and Gems.