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LangChain introduces a robust abstraction over large language models (LLMs), transforming isolated predictions into contextual, purpose-driven applications. In this chapter, we explore the heart of LangChain—Chains, Prompt Templates, and Tools and Function Calling—and understand how they empower developers to build intelligent and modular workflows.

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Core Components of LangChain

  • 章节

  • 发表日期：

    2025年

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  • Sanath Raj B Narayan,
  • Nitin Agarwal

摘要

LangChain introduces a robust abstraction over large language models (LLMs), transforming isolated predictions into contextual, purpose-driven applications. In this chapter, we explore the heart of LangChain—Chains, Prompt Templates, and Tools and Function Calling—and understand how they empower developers to build intelligent and modular workflows.