// Towards Data Science · 7 April 2026

From 4 Weeks to 45 Minutes: Designing a Document Extraction System for 4,700+ PDFs

How a hybrid PyMuPDF + GPT-4 Vision pipeline replaced £8,000 in manual engineering effort, and why the latest models weren’t the answer The post From 4 Weeks to 45 Minutes: Designing a Document Extraction System for 4,700+ PDFs appeared first on Towards Data Science.

Towards Data Science

@towards-data-science · Obinna Iheanachor

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Towards Data Science@towards-data-science