A live AI model gets changed or replaced without telling its users.
Your usual barber is gone. The shop keeps the same sign. Now “just a trim” may mean a surprise mullet.
Cloud AI services can change this way. Old tests, work steps, and records may stop matching.
Model regression
A silent update can make a stable skill work worse.
AI Model Provenance
Version records can show when the model was replaced.
LLMOps
Ongoing checks can spot changes in model output early.