When Can Old Evaluations Certify a New Model? Label-Efficient Release Decisions under Evaluator Drift

Joyanta Jyoti Mondal, Mridul Banik, Md. Shifatul Ahsan Apurba +1

Releasing a model update requires certifying that its current-population risk stays below a threshold. Trusted labels are expensive, while a cheap evaluator, such as an LLM judge,…