An eval suite can become stale even if the model never changes.
OBSERVABILITY & INCIDENTSADVANCED LLMOPS
Behavior and Input Drift
Drift monitoring detects when production inputs or model outcomes move away from the distributions represented in evaluation.
A new product launch shifts request language and causes a drop in task success for one segment.
Which signal tells you the test set no longer represents real usage?
REMEMBERStatic evals age; production changes.
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