Week 10 — Lesson 3: Structured outputs with Pydantic

2 min

Ask the model for the category of a NorthPeak incident and you get a sentence. Your code then has to find the category inside it, and the wording changes from one call to the next. A structured output removes the parsing: you describe the answer as a Python class, and the model returns an object of that class instead of free text. This lesson builds IncidentFacts, runs it on incident INC-0010, and shows why a valid object can still hold a wrong value.

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This lesson is part of the “Week 10 — Local LLMs and LangChain” module

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