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Deletion Tuning Matches Full Fine-Tuning

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Deletion Tuning Matches Full Fine-Tuning
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// 27m agoRESEARCH PAPER

Deletion Tuning Matches Full Fine-Tuning

The Deletion Tuning paper shows that zeroing fewer than 0.05% of an LLM’s weights can match full fine-tuning across reinforcement learning, supervised fine-tuning, and self-distillation. The learned binary mask is dramatically smaller and reduces catastrophic forgetting.

// ANALYSIS

This is a compelling challenge to the assumption that adaptation requires writing new values into model weights, though the method remains research-grade.

  • –Learns which gate-projection weights to delete rather than adding LoRA-style parameters
  • –Matches full fine-tuning across multiple training regimes and model sizes
  • –Produces masks hundreds to thousands of times smaller than full checkpoints
  • –Preserves prior-task performance better, with competing methods losing up to 5.4 points under reinforcement learning
  • –Public code and pretrained masks make the result unusually easy to reproduce
// TAGS
deletion-tuningllmfine-tuningtrainingopen-sourceresearch

DISCOVERED

27m ago

2026-11-10

PUBLISHED

1h ago

2026-11-10

RELEVANCE

9/ 10

AUTHOR

0x0SojalSec