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Introduction to Agent Observability & Evaluations

Introduction to Agent Observability and Evaluations teaches the essentials of observability, evaluation and prompt engineering with LangSmith, so you can keep improving your agents.

Open at LangChain ↗Common questions

Who it suits

  • Developers who need visibility into how their agents behave.
  • Teams that want to test changes with datasets and experiments instead of guessing.

What it covers

  • Tracing: basics, types of runs, alternative ways to trace and conversational threads.
  • Testing and evaluation: datasets, evaluators, experiments and analysing results, with optional pairwise and summary evaluators.
  • Prompt engineering: the playground, Prompt Hub and the prompt engineering lifecycle.
  • Collecting human feedback with user feedback and annotation queues.
  • Production observability: filtering, online evaluation, automations, monitoring and custom dashboards.

Watch here

From LangChain’s own channel, so you can start without leaving Infrato. Nothing loads from YouTube until you press play.

  • LangChain · 2024

    LangChain Academy New Course: Introduction to LangSmith

    Open on YouTube

Common questions about Introduction to Agent Observability & Evaluations

Is it free?
LangChain Academy labels the course Free.
How long is Introduction to Agent Observability and Evaluations?
The course page lists its modules and lessons; check it for the length.
Who runs it?
LangChain Academy, run by the company behind LangChain, LangGraph and LangSmith.

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Where this comes from

Written from LangChain’s own pages, read on 2026-10-13. Content, prices and availability change, so the provider’s page is the source. We are not affiliated with LangChain and this is not an endorsement.