ADVANCED-FINE-TUNING5 MIN READ
Defend an LLM grader in review
Respond to grader skepticism with calibration evidence and reward-hacking controls.
Morgan MG Model Review Chair 1 Scope trust 2 Show calibration 3 Name stop rule Review board Morgan challenges the use of an LLM grader for reinforcement fine-tuning. If the grader is weak, the tuned model may optimize a shortcut. 120 calibration cases 6 hack probes Grader discipline Smooth score, balanced cases, hack probes
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