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LangChain.js

LangChain.js is a framework designed for developing applications powered by large language models. It enables the construction of complex LLM workflows by chaining together interoperable components and integrating with third-party services. The framework provides support for agents, prompt management, and intricate application logic. It offers a broad ecosystem for various LLM application elements, including chains, agents, tools, and memory. While capable of RAG, its general-purpose nature extends to orchestrating diverse components, making it suitable for applications where RAG is one part of a larger system.

shipped 7 июл. 2026 г.aipaid
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Overview

LangChain.js is a framework designed for developing applications powered by large language models. It enables the construction of complex LLM workflows by chaining together interoperable components and integrating with third-party services. The framework provides support for agents, prompt management, and intricate application logic.

It offers a broad ecosystem for various LLM application elements, including chains, agents, tools, and memory. While capable of RAG, its general-purpose nature extends to orchestrating diverse components, making it suitable for applications where RAG is one part of a larger system.

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Vendor website advertises a free tier.

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