C: When a model performs well on training data but poorly on unseen data

Sat, 18 Apr 2026 09:33:52 +0000

Title: Why AI Models Fail on Unseen Data: Causes and Solutions Meta Description:
When a machine learning model excels on training data but struggles with unseen data, performance gaps can undermine reliability. Discover the root causes and best practices to build robust, generalizable models. --- ### Understanding the Training-Performance Gap