Context information
Pydantic models: validation and structured output
Pydantic models define data structures using annotated fields on BaseModel subclasses. The documentation covers validation, serialization, nested models and JSON Schema generation, along with controls for unexpected fields. These features help applications inspect structured tool results at an explicit data boundary.
- Provenance
- Pydantic documentation
- Updated
- 2026-11-08T22:15:35.453410Z