Can Language Models Learn When to Abstain? Policy Learning and Calibrated Answer Selection
A useful language model should know when to answer and when to say"I don't know."Can we improve that decision by training the model itself or by training a separate component to check its answers? We study both approaches on Qwen3-14B for factual questions, using a score that rewards correct answers, penalizes mistakes...
Juan R. Terven, Diana-Margarita Córdova-Esparza, R. Gómez et al.
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