Document AI in Practice: What Invoice Extraction Gets Wrong
Key takeaways Off-the-shelf models plateau at 85–90% extraction accuracy; the remaining gap is structural, not a model maturity problem Edge cases concentrate on non-standard layouts, multi-page invoices, and handwritten annotations — these need targeted post-processing rules, not more training data alone human-in-the-loop review queues built without confidence thresholds become bottlenecks that kill ROI faster than…