Langflow

What is Langflow?

Langflow is a low-code visual builder for creating and deploying AI agents, RAG applications, and MCP servers. It supports major LLMs, vector databases, and integrations through a drag-and-drop interface backed by Python customization. The tool is available as open-source software or through a cloud platform.

What are the features of Langflow?

• Visual flow builder

  Drag-and-drop interface to construct AI workflows using pre-built components and state flows.
• Python customization

  Allows users to extend or modify any component using Python code.
• API deployment

  Converts built flows into callable APIs via a cloud platform.
• Agent orchestration

  Runs single agents or fleets with access to all configured components as tools.
• Component library

  Provides hundreds of pre-built flows and components for models, data sources, and vector stores.

What are the use cases of Langflow?

• RAG application development

  Building retrieval-augmented generation workflows by connecting LLMs to vector databases like Pinecone, Weaviate, Milvus, or Qdrant.
• AI workflow prototyping

  Taking complex product ideas and assembling them quickly through visual flows that can be shared and understood across teams.

Langflow Pricing Information:

• Open-source (OSS)

  Free; self-hosted version of the software.
• Cloud account

  Free tier available for deploying applications as APIs on the vendor's cloud platform.