LangSmith: The Essential Tool for LLM Observability (Part 1)

Working with Large Language Models (LLMs) can often feel like a black box. You send a prompt and get a response, but what happens during that interaction? Just as software engineers rely on trace logging to debug complex applications, developers building with LLMs need a clear way to see what’s happening at runtime. This is where a powerful tool like LangSmith becomes essential.