Which is more popular, FastGPT or Langflow?

Langflow has more GitHub stars (155,398 vs 29,774).

Which is more actively developed, FastGPT or Langflow?

Langflow had more commits in the last 90 days (843 vs 446).

Should I use FastGPT or Langflow?

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.

FastGPT vs Langflow

Side-by-side comparison of two AI agent tools

FastGPTopen-source

FastGPT is a knowledge-based platform built on the LLMs, offers a comprehensive suite of out-of-the-box capabilities such as data processing, RAG retrieval, and

Langflowopen-source

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

Metrics

	FastGPT	Langflow
Stars	29.8k	155.4k
Star velocity /mo	2.5k	1.5k
Commits (90d)	446	843
Releases (6m)	10	10
Overall score	0.8441472842519399	0.8244279475159899

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

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

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

View FastGPT Details View Langflow Details

FAQ

Which is more popular, FastGPT or Langflow?: Langflow has more GitHub stars (155,398 vs 29,774).
Which is more actively developed, FastGPT or Langflow?: Langflow had more commits in the last 90 days (843 vs 446).
Should I use FastGPT or Langflow?: 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.