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Learning Style, Forgetting Semantics: A Case Study of SFT and RFT on Classification Tasks

arXiv:2610.02437v1 Announce Type: new Abstract: Why does supervised fine-tuning (SFT) lead to more forgetting than reinforcement fine-tuning (RFT), even when all teacher demonstrations are semantically correct? We study this question on classification tasks where tokens within each semantic class e…

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  1. 2026-10-05 04:00 · arXiv stat.ML
    Learning Style, Forgetting Semantics: A Case Study of SFT and RFT on Classification Tasks

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