# Chainlit

Framework · https://godooo.ai/en/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.

## At a glance

- **Type:** [Framework](https://godooo.ai/en/browse#framework)
- **Launched:** 2023
- **Galaxy:** [Models & APIs](https://godooo.ai/en/galaxy/builders)
- **Open source:** Yes · Apache-2.0
- **Source code:** [github.com/Chainlit/chainlit](https://github.com/Chainlit/chainlit)
- **GitHub stars:** 12,475
- **How you run it:** Web · Self-host · API
- **Made for:** Developers
- **Website:** [docs.chainlit.io](https://docs.chainlit.io)

## What it can do

- **[Build a chatbot](https://godooo.ai/en/capability/chatbot-builder)** — supported, _proposed by a machine, awaiting calibration_. “Chainlit is an open-source Python package to build production ready Conversational AI.” (read on [docs.chainlit.io](https://docs.chainlit.io/get-started/overview), 2026-09-24)

## Alternatives

- **[Gradio](https://godooo.ai/en/framework/gradio)** (Open source, free): Also does: Build a chatbot; runs offline
- **[Coze 扣子](https://godooo.ai/en/product/coze)** (Free plan + paid upgrades): Also does: Build a chatbot; no code needed
- **[Dify](https://godooo.ai/en/product/dify)** (Open source, free): Also does: Build a chatbot; no code needed
- **[GPTs](https://godooo.ai/en/skill/gpts)**: Also does: Build a chatbot; no code needed
- **[Botpress](https://godooo.ai/en/product/botpress)** (Open source, free): Also does: Build a chatbot
- **[FastGPT](https://godooo.ai/en/product/fastgpt)** (Open source, free): Also does: Build a chatbot; no code needed
- **[Gems](https://godooo.ai/en/skill/gems)**: Also does: Build a chatbot; no code needed
- **[LangBot](https://godooo.ai/en/product/langbot)** (Open source, free): Also does: Build a chatbot; no code needed
- **[MaxKB](https://godooo.ai/en/product/maxkb)** (Open source, free): Also does: Build a chatbot; no code needed
- **[Rasa](https://godooo.ai/en/framework/rasa)** (Open source, free): Also does: Build a chatbot
- **[Flowise](https://godooo.ai/en/product/flowise)** (Open source, free): Also 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.

## Sources

- [docs.chainlit.io](https://docs.chainlit.io/get-started/overview) — checked 2026-09-24
- [docs.chainlit.io](https://docs.chainlit.io)
- [github.com](https://github.com/Chainlit/chainlit)

---

Last updated 2026-09-24 · sources checked 2026-09-24 · Markdown version of https://godooo.ai/en/framework/chainlit. Every page on this site has one: add .md to its address.