EDUCATION & TRAINING
Hybrid OCR + LLM Beats GPT-4o Vision
Dev.to Machine Learning
About This Tutorial
Your invoicing system needs to ingest scanned purchase orders. Your accounting platform handles contracts with cross-page tables. The text inside these PDFs has to come out as structured data, not just a wall of text, or your downstream code has nothing to act on. In April 2026, LlamaIndex published their ParseBench benchmark showing vision LLMs with specific prompts outperform traditional OCR on layout-heavy documents. The buzz suggests we should all switch to Gemini 3 Flash or GPT-4o with HTML colspan/rowspan prompts. So I ran the comparison live on a messy 2-page purchase order.