Hierarchical Alignment: Block-Level LoRA-DPO for Preference Tuning in Large Language Models

arXiv:2510.12044 · cs.CL, cs.AI · Submitted 2025-10-14 · Read on arXiv

cs.CL, cs.AI

Submitted: 2025-10-14

Updated: 2026-10-24

Terminology

• Fine-Tuning — 2× in this paper · explained in 5 episodes
• Alignment Tax — 1× in this paper · explained in 4 episodes
• Coherence — 1× in this paper · explained in 2 episodes
• Consistency — 1× in this paper · explained in 3 episodes
• Direct Preference Optimization — 1× in this paper
• Direct Preference Optimization (DPO) — 1× in this paper · explained in 10 episodes
• Language Models (LLMs) — 1× in this paper · explained in 2 episodes
• Large Language Models (LLMs) — 1× in this paper · explained in 9 episodes
• Transformer — 1× in this paper · explained in 2 episodes
• Transformer Architecture — 1× in this paper · explained in 4 episodes

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