#langchaininproduction

LangChain is great for prototyping RAG and swapping providers, but I strip it out of business-critical paths and rely on typed LCEL chains, hybrid search

Andrew Ng's LangChain courses get you to a demo, but shipping to paying customers means handling retries, multi-provider fallbacks, per-tenant cost caps

DeepLearning.AI's LangChain courses nail the fundamentals, but stop where demos end and production begins. Drawing on two years of shipping RAG systems