langchain.com

Langchain

Framework for LLM application development

Type: Development License: Open-Source Price: Free - Langsmith Pricing Varies Category: Development tools

What is Langchain?

LangChain is a framework for developing applications powered by language models. It provides tools for chaining LLM calls, integrating with data sources, building agents, and creating complex AI workflows.

Listing trust signals

Listing ID

734

Directory refresh date

2026-07-19

Pricing confidence

Medium confidence based on currently stored pricing metadata.

Pricing, category and fit

Langchain is listed as a Development tool on AimostAll.

License model: Open-Source. Pricing label: Free - Langsmith Pricing Varies.

Use this page to compare Langchain with other development tools, watch tutorials, and explore similar alternatives.

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Frequently asked questions about Langchain

What does Langchain do?

Framework for LLM application development.

Is Langchain free or paid?

Langchain is listed on AimostAll as open-source with a pricing label of Free - Langsmith Pricing Varies.

Where can I compare alternatives to Langchain?

Use the alternatives section below or browse the wider development category to compare similar tools.