My AI agent was working… but I had no idea why it worked sometimes and completely fell apart other times. That’s when I plugged in LangSmith , and realized I’d been flying blind.
Suddenly, my “agentic AI” wasn’t a black box anymore, I could see everything:
if you didn’t know LangChain V1 launched last month, you’re officially late to the party, at least I was until I stumbled into it while upgrading a client’s system.
What I discovered completely changed the project. I had developed RAG agent with LangChain v0.3