Langflow is a visual, drag-and-drop interface for building and prototyping AI flows and chatbots using large language models.

Langflow demo screenshot

About Langflow

Langflow is a low-code platform that enables users to create sophisticated AI applications through an intuitive visual interface. It allows developers and non-developers alike to build complex language model workflows, chatbots, and AI agents by connecting pre-built components in a flowchart-style environment. The platform supports integration with various LLM providers, vector databases, and external APIs, making it easy to prototype and deploy AI solutions without extensive coding knowledge.

Key Features

  • Drag-and-drop visual interface for building AI workflows
  • Pre-built components for LLMs, vector stores, and data processing
  • Support for multiple language model providers (OpenAI, Anthropic, etc.)
  • Integration with vector databases for RAG applications
  • Real-time flow execution and debugging capabilities
  • Export flows as Python code or deploy as APIs
  • Template library with ready-to-use AI application patterns
  • Multi-agent conversation support
  • Custom component creation and extension capabilities