The funny thing about Langchain is (and a lot of developers will attest to this), is the more "serious" your application becomes, or your app becomes production ready. The more you start to understand what Langchain is doing, and you will start to rewrite the custom classes to your own ones, and the custom logic to do your own stuff. Until at some point you realize, that you don't need a wrapper for an API, and can do everything with about 10% of the code.
Langchain is like a backwards 101 course into APIs for LLM's, where you start out trying to learn a new framework, but through debugging sessions end up understanding whats really being done.
Langchain is like a backwards 101 course into APIs for LLM's, where you start out trying to learn a new framework, but through debugging sessions end up understanding whats really being done.