Langflow
Low-code visual builder for AI agents and RAG applications with drag-and-drop interface
Opens langflow.org in a new tab.
How the 7.2 was reached
- Quality of output8/10
155,350 GitHub stars, active MIT project with hundreds of integrations; 1,177 open issues. Source: github.com
- Ease of use8/10
Desktop app for Windows and macOS with dependencies bundled, or uv run locally; free cloud account too. Source: github.com
- Pricing value9/10
MIT open source and a free cloud account; required LLM keys are a separate cost. Source: langflow.org
- API and integration quality4/10
No API found in the checked pages, though hundreds of integrations (OpenAI, Slack, Pinecone) are listed on the homepage. Source: langflow.org
- Solves the problem it claims to solve7/10
155k stars show heavy adoption as a visual AI agent builder; no independent quality or fit reviews in the facts. Source: github.com
7.2/10 is the average of the five criterion scores above. The evidence comes from 2 different sources.Scores come from public evidence (the tool's own pages and documentation, and independent reviews); we do not test every tool hands-on. Scored 29 September 2026, on version 1 of our five-criteria scoring method.
Pricing
- Self-hosted deployment
- Full feature access
- Community support
- GitHub integration
- Hosted deployment
- Enterprise-grade security
- Collaboration tools
- API endpoints
- Premier support
- Professional services
- Advanced security
- Custom integrations
For the full list of what each plan includes, and current prices, see langflow.org.
Key Features
- Visual flow builder with drag-and-drop interface
- Support for major LLMs and vector databases
- Python customization capabilities
- Pre-built components and templates
- API deployment and scaling
Pros & Cons
Pros
- Intuitive visual interface reduces coding complexity
- Strong integration ecosystem with 50+ connectors
- Both open-source and cloud options available
- Active community with 138k+ GitHub stars
- Supports both simple flows and complex agent architectures
Cons
- Learning curve for advanced AI concepts still required
- Performance may vary with complex multi-agent workflows
- Cloud pricing not clearly disclosed
- Limited documentation for some advanced features
Langflow excels as a visual AI application builder that bridges the gap between no-code simplicity and programmatic control. While it significantly reduces the barrier to building AI agents and RAG applications, users still need foundational AI knowledge for optimal results.
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Competitors to Langflow
Other tools in the Coding category worth comparing.
Flowise
5.8/10Open source visual platform for building AI agents and LLM orchestration workflows
n8n
8.4/10Open-source workflow automation with a visual builder and self-hosting option.
Zapier
7.2/10No-code automation platform connecting 9,000+ apps with AI-powered workflows and agents.
Dify
7.6/10Build production-ready agentic workflows, RAG pipelines, and autonomous agents at scale.
LangChain
8.4/10Open source framework for building LLM-powered agents and applications with prebuilt architecture and integrations.
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