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News/From "Weak" Signals to Strong Models: Preference Delta Aggregation with LoRA Merging
arxiv
PublishedJune 2, 2026 at 4:00 AM
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From "Weak" Signals to Strong Models: Preference Delta Aggregation with LoRA Merging

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arXiv:2606.00357v1 Announce Type: new Abstract: Training strong large language models (LLMs) requires high-quality supervision, which is often scarce. Recent work shows that paired preference data from weak-weaker model pairs (e.g., Qwen3 4B over 1.7B), despite the limited quality of individual resp

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