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Towards Data Science
Tuesday, April 7, 2026
Obinna Iheanachor

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

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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.

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