Structured model outputs
by OpenAI
How to get schema-valid JSON instead of hoping the model formats it right.
The guide describes requesting outputs that follow an explicit structure through OpenAI's API. Schema compliance still needs to be paired with checks that the returned information is correct.
- Level
- Intermediate
- Models
- gpt
- Category
- Prompting
- Tags
- structured-output
- Source date
- date not stated
- Added
- 2026-10-18
- Last verified
- 2026-10-18
- Status
- ok
- Prerequisites
- Assumes basic LLM familiarity or the ability to read examples and configure a workflow.
- Subcategory
- reasoning and structured output
- Region
- West
- Original language
- en
- Access
- free
- Resource reuse
- closed: No general open-reuse grant established from the inspected page. Closed is the conservative index bucket, not a legal finding; the resource is publicly readable. Facet definitions
Summary in our own words. Rights remain with the original creator. Credit and correction policy.