What Is Model Drift

# What is Model Drift — And Why It Breaks Everything Model drift is the degradation in a deployed model's performance over time because the real world has changed since the model was trained — and detecting it before users notice is the mo

You'll learn how this concept slots into the production systems you'll be expected to design in interviews — the same pipelines used at Anthropic, OpenAI, Cohere, and Google DeepMind.

Includes a worked example with annotated code, the common mistakes interviewers probe for, and a glossary of the terms you'll need to use fluently.