[D] Is there anything LangChain can do better than using LLMs directly (either through a website or an API), any examples? Why would someone choose to use it?

I haven't used ChatGPT a lot or any other LLMs, I've been reading about Langchain and its use cases, and I'm having trouble wrapping my head around exactly what it does. From what I understand, its an alternative interface for LLMs, allowing for easy switching between them, and makes some work for specific use cases easier. If I wanted to write an app or script to interact with LLMs and do other tasks, how would LangChain be better than just …

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