The LLM Revolution in Data Extraction: From Weeks of Regex to Cents Per Document

Language models have fundamentally transformed the economics of data extraction, making complex document parsing accessible to bootcamp grads and solo developers. What previously required weeks of regex programming and manual entry now costs mere cents per document, with affordable models like DeepSeek and GLM-4 delivering production-grade results. This shift democratizes data pipeline development, enabling individual developers to tackle tasks that traditionally demanded dedicated engineering resources.