LangChain RunnableParallel example: Research a company by running API calls in parallel. Demonstrates RunnablePassthrough.assign, partial failure handling, and a canonical Pydantic schema as the retrieval layer output. Production-ready pattern for parallel data collection in LangChain.

Code repository for "Langchain for beginners" course on Youtube.

Practical, beginner-friendly LLM projects using Python, LangChain, and LangSmith. Modular, reusable, and easy to run.

A collection of simple, practical examples to learn the basics of LangChain. This repo covers setup, memory management, chaining operations, structured output parsing, and retrieval-based question answering. Perfect for developers starting with LangChain who want to grasp its core concepts and functionalities.