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LangFlow

Langflow is an open-source visual development platform for building and experimenting with applications and workflows using language models and other AI components.

How 2 Manning books explain it

Grokking AI Applications

Langflow is an open-source visual platform for building applications and workflows around language models and related AI components.

How it is used
Uses visual, low-code flows to design, prototype, test, and iterate GenAI applications without beginning with framework syntax.
How deep it goes
Explains components, setup, and a first chatbot, then maps flows to LangChain concepts without descending into framework internals.
Examples
Demonstrates a Chat Input–OpenAI model–Chat Output chatbot and its corresponding LangChain Python implementation.
What you can do after
Build GenAI prototypes visually, connect their components, and translate them into Python-based LangChain applications.

Read how Grokking AI Applications explains LangFlow →

Hugging Face in Action

Langflow is a visual tool for prototyping applications built around large language models and related components.

How it is used
Build and preview LangChain applications visually, then connect completed flows to custom interfaces or web applications.
How deep it goes
Explains installation, component composition, own-data question answering, and integration options, but stops short of implementation internals.
Examples
Demonstrates local pip setup, Docker deployment, Hugging Face community flows, and question answering over personal data.
What you can do after
Build LangChain flows visually, run them locally or in the cloud, and call or embed them programmatically.

Read how Hugging Face in Action explains LangFlow →

Related concepts

These guides are generated from the text of Manning books by Manning's knowledge graph and link to the sections they draw on. The full books are available on liveBook and at manning.com.