LangChain Expression Language (LCEL) Explained - Syntax, Usage, and Examples

Explore the LangChain Expression Language (LCEL) in this 26-minute video tutorial. Dive into LCEL's syntax, inner workings, and practical applications alongside RunnableParallel, RunnablePassthrough, and RunnableLambda objects. Learn how LCEL enables rapid chain development, supports advanced features like streaming and async execution, and integrates seamlessly with LangSmith and LangServe. Discover the pros and cons of using LCEL, and gain insights into its pipe operator functionality. Access accompanying code examples and resources to enhance your understanding of this powerful abstraction layer for building LangChain component chains.

LangChain Expression Language LCEL
Getting Started with LCEL
How LCEL Pipe Operator Works
Using LangChain Expression Language
LCEL Runnables
LCEL Runnable Lambdas
Pros and Cons of LCEL