When Do You Actually Need LangGraph? (A Real-World Walkthrough)

0:00 Two libraries, one question 0:54 LangChain vs LangGraph, the one-liner 1:59 You don't need LangChain to use LangGraph 2:47 Mapping a real pipeline onto a StateGraph 4:18 Is a LangGraph a DAG? 4:50 Supervisor, swarm, and hierarchy 5:52 Checkpointing: crash, then resume 6:50 Idempotency: the hard part of resuming 7:59 Hard rules as graph structure 8:54 Human in the loop: interrupts 9:53 Do you actually need it? 10:54 Recap and the meta-lesson