Chainlit
by Chainlit (Community) · open-source · Last verified 2026-03-17
Production-ready Python framework for building conversational AI applications with streaming, message threading, and human-in-the-loop feedback. Chainlit is optimized specifically for LLM chat UIs and integrates natively with LangChain, LlamaIndex, and LiteLLM.
https://chainlit.io ↗C+
C+—Average
Adoption: BQuality: AFreshness: ACitations: C+Engagement: F
Specifications
- License
- Apache 2.0
- Pricing
- open-source
- Capabilities
- llm-chat-ui, message-threading, streaming-responses, human-feedback, file-upload
- Integrations
- langchain, llamaindex, litellm, openai, anthropic, langfuse
- Use Cases
- enterprise-chatbot-ui, ai-copilot-interface, customer-support-bot, code-assistant-ui, rag-chat-frontend
- API Available
- No
- SDK Languages
- python
- Deployment
- self-hosted, docker, cloud
- Rate Limits
- N/A (open-source)
- Data Privacy
- Self-hosted; no data sent to external servers by default
- Tags
- ui-builder, chatbot, conversational-ai, llm, copilot
- Added
- 2026-03-17
- Completeness
- 100%
Index Score
55.8Adoption
62
Quality
86
Freshness
88
Citations
55
Engagement
0