28 Feb Chains Component of LangChain

Chains are sequences of operations or steps that combine multiple components (e.g., models, retrievers, tools) to accomplish a specific task. They allow you to create structured workflows where the output of one step becomes the input to the next.

Types of Chains

1. Simple Chains:
   • Linear sequences where each step is executed one after the other.
   • Example: A chain that retrieves documents and then generates a summary.
2. Complex Chains:
   • Non-linear or conditional workflows that may involve branching, looping, or decision-making.
   • Example: A chain that retrieves documents, evaluates their relevance, and then generates an answer or asks for clarification.

Why Are Chains Important?

• They provide a structured way to arrange complex workflows, making it easier to build sophisticated applications.
• Chains enable modularity and reusability, allowing developers to mix and match components for different use cases.

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