Real ChatGPT answer · index seedDC07fBjVaDIcompleteB2B software · AI and automation toolshowto

I am writing a Python script to extract structured JSON from unstructured invoices using GPT-4o, but the output schema keeps breaking; how do I enforce strict JSON mode reliably?

ChatGPTgpt-61 query10/31/2026
Download run

Fan-out diagram

The searches the AI actually ran for this prompt.

SEED QUERY
I am writing a Python script to extract structured JSON from unstructured invoices using GPT-4o, but the output schema keeps breaking; how do I enforce strict JSON mode reliably?
1 real search · 1 real-search pass
OpenAI API Structured Outputs strict json_schema Python GPT-4o official documentationGoogle ↗
OBSERVED

Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.

Query classes

Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.

Classifying 1 queries…

Searches and sources

ChatGPT1 real searches · gpt-6
OpenAI API Structured Outputs strict json_schema Python GPT-4o official documentation Google ↗
  1. Structured model outputs · developers.openai.com
  2. Structured model outputs · developers.openai.com

Queries

1 queries · click a column to sort
Query / typeSearchIntentQuery classRouting formatClusterFreq ↓Weight
OpenAI API Structured Outputs strict json_schema Python GPT-4o official documentation
OBSERVED
Google ↗
AI Mode ↗
————1x
of 1