Side-by-side comparison

Langflow vs LangChain

A factual comparison generated from the two reviewed directory profiles. Follow the official links for current plan limits and product terms.

Signal	Langflow	LangChain
Tagline	An open-source visual framework for building and deploying AI applications.	Open-source frameworks and a platform for building, evaluating, deploying, and observing AI agents.
Category	Developer tools	Developer tools
Pricing	Open source	Freemium
Platforms	Web, API, Linux	Python, TypeScript, Web
Features	Visual component graph for AI flows API serving and model-provider integrations	Open-source agent frameworks with provider integrations Tracing, evaluation, deployment, and monitoring through LangSmith
Tags	API, Coding, Open source	API, Coding, Open source
Community	0 votes · 0 saves	0 votes · 0 saves

Choose Langflow when

An open-source visual framework for building and deploying AI applications.

Langflow is an open-source visual framework for building and deploying AI applications. Its reviewed product surface includes visual component graph for ai flows and api serving and model-provider integrations. The primary documented workflow is to prototype retrieval and agent applications through reusable components.

Read the Langflow profile

Choose LangChain when

Open-source frameworks and a platform for building, evaluating, deploying, and observing AI agents.

LangChain provides open-source frameworks for building agents and LangSmith services for tracing, evaluation, deployment, and monitoring. Its ecosystem supports multiple model providers and SDKs for several programming languages.

Read the LangChain profile