AI Developer Suite

Structured JSON AI Schema Builder

Design visual data structures and compile 100% compatible schemas for OpenAI, Gemini, LangChain, Pydantic, and TypeScript.

Schema Setup

Schema Output & Code

  

AI Structured Outputs Guide

AI models perform best when returning structured JSON matching a predefined schema. System prompts use descriptions within the schema as semantic instructions for value extraction.

OpenAI Strict mode requires additionalProperties: false at all levels and all fields must be marked as required. Gemini uses responseSchema in generation config. Pydantic and TypeScript provide compile-time safety for your application code.