Record metadata
type: "Glossary term"
title: "Structured output"
description: "Constraining a model's output to a schema; guarantees form, not authority."
tags: [glossary]
generated: { by: human:crpage, at: 2026-07-09T09:44:00Z }
aliases: "structured output; structured outputs"
status: stable
Definition
Constraining a model's output to conform to a schema (e.g. JSON Schema) — it guarantees form, not authority or correctness. Schema-valid JSON is not the same as a valid or authorised action.
Used in this bundle
Appears in: structured-outputs, json-schema.
function calling, schema grounding.