Data Pipelines Trump Model Size: Fine-tuning Gemma 4 E2B for Invoice Extraction

This demonstrates that for specialized, structured tasks like invoice extraction, the quality of your data pipeline and fine-tuning strategy matters more than deploying the largest available model. Gemma 4 E2B proves that smaller, locally-deployable models can handle complex business document workflows while eliminating per-call API costs and privacy concerns. This challenges the industry assumption that production document processing requires large hosted models.