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Build and deploy AI agents and RAG applications with a low-code visual interface.

Free, no paid tier Visit Website
Tracked since 2026

The Bottom Line

Price
Free, no paid tier. Compare plans

Key facts

  • Low-code visual builder for AI agents and RAG applications.
  • Supports major LLMs, vector databases, and AI tools.
  • Offers rapid iteration, deployment, and Python customization.

Pros

  • Simplifies complex AI development with a visual interface
  • Accelerates prototyping and deployment of AI applications
  • Extensive integrations with LLMs, vector databases, and other tools
  • Offers both low-code and Python customization for flexibility
  • Provides a free cloud deployment option for easy scaling

Cons

  • Reliance on pre-built components might limit highly unique custom solutions without Python
  • Learning curve for new users unfamiliar with visual programming or AI concepts

What is Langflow?

Langflow is a low-code AI builder designed to simplify the creation and deployment of AI agents and Retrieval Augmented Generation (RAG) applications. It provides a visual drag-and-drop interface that allows users to construct complex AI workflows without extensive coding. The platform supports integration with major Large Language Models (LLMs), vector databases, and a growing library of AI tools. This tool is ideal for AI developers, researchers, and teams looking to accelerate their AI workflow development, iterate rapidly, and deploy AI applications to production efficiently. It aims to reduce boilerplate code and complexity, enabling users to focus on the creative aspects of AI development. Langflow offers both an open-source version and a free, enterprise-grade cloud deployment option, ensuring scalability and security for AI applications.

Available on: Web

Preview

Key Features

  • Visual state flows with drag-and-drop interface
  • Reusable components for AI workflows
  • Support for major LLMs (e.g., Llama-3, Mistral, OpenAI)
  • Integration with various vector databases (e.g., Milvus, Qdrant, Pinecone)
  • Access to hundreds of pre-built flows and components
  • Ability to run single or fleets of AI agents
  • Flows deployable as APIs
  • Python customization for advanced control

Pricing Plans

Pricing checked Oct 1, 2026. Source: langflow.org, read Oct 1, 2026

Langflow plans and prices, checked October 2026
Plan Price Details
Free

Free

  • Deploy yourself or sign up for a free cloud account
  • Use a free, enterprise-grade cloud to deploy your app

Is Langflow worth the price?

Great value

Langflow's pricing is extremely generous, offering a fully free tier for self-deployment or cloud usage.

This makes it highly accessible for individuals and small teams looking to experiment and build AI agents without any upfront cost. It's best for developers and small businesses who want to leverage a low-code visual interface for AI development without financial commitment.

Full Langflow pricing: every plan, hidden costs and alternatives

Langflow by the numbers

Langflow compared with 499 No-Code tools on Toolradar, as of Oct 2026
Metric Langflow Peer median Position (1 is best)
Free plan Yes 64% have one n/a
Listed as an alternative to 4 tools 2 #156 of 499 (joint)
Integrations listed 6 3 #20 of 123 (joint) tools with at least one integration recorded
Compare-page visits, last 30 days 23 visits 35 #60 of 78 (joint) tools with 20+ compare-page visits

Each position is counted among the tools that have data for that row, as noted under it. All No-Code data · How we compute this. Advertising and placement fees are not inputs to any position. Visit counts include visits from every source.

Cite this: Toolradar, “Langflow by the numbers”, Oct 2026.

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Langflow FAQ

How does Langflow facilitate the creation of Retrieval Augmented Generation (RAG) applications?

Langflow simplifies RAG application development by offering a low-code visual interface. Users can drag-and-drop components to construct AI workflows, integrating with vector databases and Large Language Models to build sophisticated RAG applications without extensive coding.

Which teams would benefit most from using Langflow?

Langflow is ideal for AI developers, researchers, and teams aiming to accelerate their AI workflow development and deploy AI applications efficiently. It helps reduce boilerplate code and complexity, allowing teams to focus on creative AI solutions.

How is Langflow priced?

Langflow is free to use, offering both an open-source version and a free enterprise-grade cloud deployment option. There are no paid plans required to access its features and capabilities.

Can Langflow integrate with various Large Language Models (LLMs) and vector databases?

Yes, Langflow supports extensive integrations with major Large Language Models (LLMs) and vector databases. This allows users to leverage a wide array of AI tools within their visually built workflows.

What kind of limitations might users encounter with Langflow?

Users might find that reliance on pre-built components could limit highly unique custom solutions without additional Python customization. There can also be a learning curve for those new to visual programming or core AI concepts.

How does Langflow compare to Relevance AI for building AI agents?

Langflow, like Relevance AI, provides a low-code visual interface to build and deploy AI agents. Langflow emphasizes accelerating prototyping and deployment with extensive integrations, while also offering a free cloud deployment option for scalability.

Does Langflow allow for customization beyond its low-code interface?

Yes, Langflow offers flexibility through both its low-code visual interface and Python customization. This allows users to tailor solutions and extend functionality beyond the pre-built components when needed.

Source: langflow.org

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