Langflow Review 2026
Low-code AI builder for agentic and RAG applications
What is Langflow?
Langflow is a low-code visual builder for creating and deploying AI agents, RAG applications and MCP servers. It supports major LLMs and vector databases with a growing library of components.
Best for
Mixed
Use cases
- Building AI agents
- RAG applications
- MCP servers
Key features
Visual drag-and-drop flow builder
Python customization
Pre-built components
Flow as an API
Pricing
Model
freemium
Price range
Open-source free; free cloud account
Free tier
Yes
Integrations
Langflow integrates with 6 tools including:
OpenAIAnthropicPineconeMilvusNotionSlack
Langflow alternatives
Other AI Infrastructure & Agents tools worth comparing.