Langflow vs Windmill

Side-by-side comparison of two AI agent tools

Short answer

  • Langflow is growing faster: +1,446 GitHub stars in the last 30 days vs +316 for Windmill.
  • Pick Langflow for: langflow is a powerful tool for building and deploying AI-powered agents and workflows. Pick Windmill for: open-source developer platform to power your entire infra and turn scripts into webhooks, workflows and UIs.

From GitHub data refreshed daily.

Langflowopen-source

Langflow is a powerful tool for building and deploying AI-powered agents and workflows.

Windmillopen-source

Open-source developer platform to power your entire infra and turn scripts into webhooks, workflows and UIs. Fastest workflow engine (13x vs Airflow). Open-source alternative to Retool and Temporal.

Metrics

LangflowWindmill
Stars155.5k18.1k
Star velocity /mo1.4k316.10526315789474
Commits (90d)8421.3k
Releases (6m)1010
Overall score0.86484473969884070.8093821444423039

Pros

  • +可视化拖拽界面让非技术用户也能快速构建AI工作流
  • +支持多种部署方式包括API、MCP服务器和桌面应用，集成灵活性极高
  • +内置对所有主流LLM和向量数据库的支持，生态系统完整
  • +Multi-language support with automatic UI generation from scripts in Python, TypeScript, Go, Bash, SQL, and more
  • +High performance workflow engine claiming 13x faster execution than Airflow
  • +Self-hostable open-source solution with AGPLv3 license providing full control and customization

Cons

  • -需要Python 3.10-3.13环境，对非Python用户有技术门槛
  • -复杂的企业级功能可能对简单用例过于繁重
  • -学习曲线较陡，充分利用所有功能需要时间投入
  • -AGPLv3 license may restrict some commercial use cases and require careful compliance consideration
  • -Being a comprehensive platform may introduce complexity for simple automation tasks
  • -Self-hosting requires infrastructure management and maintenance overhead

Use Cases

  • •构建多代理协作系统处理复杂业务流程和决策
  • •将AI工作流部署为API服务供其他应用程序调用
  • •快速原型制作和可视化测试AI工作流的效果和逻辑
  • •Building internal APIs and webhooks from existing scripts without additional infrastructure
  • •Creating automated workflows for background jobs and data processing pipelines
  • •Developing low-code internal applications with custom UIs for non-technical team members
View Langflow DetailsView Windmill Details

FAQ

Which is more popular, Langflow or Windmill?
Langflow has more GitHub stars (155,471 vs 18,092).
Which is more actively developed, Langflow or Windmill?
Windmill had more commits in the last 90 days (1,264 vs 842).
Should I use Langflow or Windmill?
Compare their capabilities, limitations and "best for" notes above. Both are open source, so trying each on a small task is the fastest way to decide.