Why we built LangSmith for improving agent quality

As more agents move into production, teams need to move beyond vibe-checking and bring rigor to how they understand agent behavior at scale.

In this video, the LangSmith engineering team and Harrison (@hwchase17) sit down to… pic.twitter.com/q7jrXfWJo1

— LangChain (@LangChain) 4 novembre 2025

Why we built LangSmith for improving agent quality As more agents move into production, teams need to move beyond vibe-checking and bring rigor to how they understand agent behavior at scale. In this video, the LangSmith engineering team and Harrison (
@hwchase17
) sit down to

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