AI Infrastructure & MLOps Free

Langflow

Open-source visual builder for AI agents, RAG flows, and MCP servers

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PricingFree
Starting price$0
Free planYes
Free trialYes
APIYes
Open sourceYes
DeploymentHybrid
Last verifiedAugust 3, 2026
Overview

Tool overview

Langflow is listed under AI Infrastructure & MLOps AI tools.

Summary

What is Langflow?

Langflow is an MIT-licensed low-code builder for AI agents, RAG applications, and MCP servers. Teams can design flows visually, customize components in Python, expose flows as APIs, run locally or in containers, and use a free managed cloud deployment option.

Best fit

Best for

Developers and solution teams visually building agents, RAG, and MCP services

Audience

Who is it for?

AI application developersRAG solution teamsPython engineersOrganizations prototyping agent workflows
Recommendation

Decision note

Best for teams that want a visual open-source agent builder with Python extensibility and flexible deployment.

Capabilities

Key features

Visual low-code flow builder for agents and RAG

Custom Python components and broad model integrations

Flows exposed as APIs and MCP servers

Local, Docker, Kubernetes, and free cloud deployment

Workflows

Use cases

Prototype AI agents and RAG applications

Build and host MCP servers

Connect models, tools, and vector databases

Expose visual workflows through application APIs

Strengths

Pros

  • Open source under the MIT license
  • Free cloud deployment option is publicly promoted
  • Supports self-hosting and local-model workflows
Considerations

Limitations

Langflow accelerates orchestration but does not guarantee model quality, security, or scalability. Production teams must secure secrets, data, endpoints, components, and infrastructure.

Cost

Pricing details

Pricing modelFree
Starting price$0
Free planYes
Free trialYes
Pricing context

Billing options

Free open-source projectFree self-hostingFree Langflow Cloud optionProfessional services by contact
Pricing context

Pricing note

The core Langflow project is free and MIT licensed. The official site promotes a free enterprise-grade cloud deployment option. No separate public paid-plan starting price was confirmed during this research session.

View official pricing
Compatibility

Supported languages

  • English
Connectivity

Integrations

Major LLM providers

Vector databases

Data connectors

Python tools

Model Context Protocol

Specs

Technical details

PlatformsWeb
Multilingual supportYes
Login requiredNo
Open sourceYes
LicenseMIT
DeploymentHybrid
CompanyLangflow, part of DataStax and IBM
Current version1.11
Models / versionsDoes not require specific LLMs or vector stores model choice depends on flow setup.
Editions / plansFree, Basic, Professional, Organization, and Custom plans
Data confidenceHigh
Last verifiedAugust 3, 2026
Documentation → Source code → Release notes → Data source →
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Answers

Frequently asked questions

Langflow is an MIT-licensed low-code builder for AI agents, RAG applications, and MCP servers. Teams can design flows visually, customize components in Python, expose flows as APIs, run locally or in containers, and use a free managed cloud deployment option.
Developers and solution teams visually building agents, RAG, and MCP services
The listed pricing model for Langflow is Free. Pricing can change, so users should verify the latest plan details on the official website.
Yes. The current profile indicates that a free trial is available.
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