Instruction Learning Paradigms: A Dual Perspective on White-box and Black-box LLMs

Fuente: arXiv
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Main Authors: Ren, Yanwei, Liu, Liu, Yu, Baosheng, Qiu, Jiayan, Chen, Quan
Format: Preprint
Published: 2025
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author Ren, Yanwei
Liu, Liu
Yu, Baosheng
Qiu, Jiayan
Chen, Quan
author_facet Ren, Yanwei
Liu, Liu
Yu, Baosheng
Qiu, Jiayan
Chen, Quan
contents Optimizing instructions for large language models (LLMs) is critical for harnessing their full potential in complex and diverse tasks. However, relying solely on white-box approaches demands extensive computational resources and offers limited representational capacity, while black-box models can incur prohibitive financial costs. To address these challenges, we introduce a novel framework that seamlessly merges the strengths of both paradigms. Black-box models provide high-quality, diverse instruction initializations, and white-box models supply fine-grained interpretability through hidden states and output features. By enforcing a semantic similarity constraint, these components fuse into a unified high-dimensional representation that captures deep semantic and structural nuances, enabling an iterative optimization process to refine instruction quality and adaptability. Extensive evaluations across a broad spectrum of tasks-ranging from complex reasoning to cross-lingual generalization-demonstrate that our approach consistently outperforms state-of-the-art baselines. This fusion of black-box initialization with advanced semantic refinement yields a scalable and efficient solution, paving the way for next-generation LLM-driven applications in diverse real-world scenarios. The source code will be released soon.
format Preprint
id arxiv_https___arxiv_org_abs_2506_21573
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Instruction Learning Paradigms: A Dual Perspective on White-box and Black-box LLMs
Ren, Yanwei
Liu, Liu
Yu, Baosheng
Qiu, Jiayan
Chen, Quan
Computation and Language
Artificial Intelligence
Machine Learning
Optimizing instructions for large language models (LLMs) is critical for harnessing their full potential in complex and diverse tasks. However, relying solely on white-box approaches demands extensive computational resources and offers limited representational capacity, while black-box models can incur prohibitive financial costs. To address these challenges, we introduce a novel framework that seamlessly merges the strengths of both paradigms. Black-box models provide high-quality, diverse instruction initializations, and white-box models supply fine-grained interpretability through hidden states and output features. By enforcing a semantic similarity constraint, these components fuse into a unified high-dimensional representation that captures deep semantic and structural nuances, enabling an iterative optimization process to refine instruction quality and adaptability. Extensive evaluations across a broad spectrum of tasks-ranging from complex reasoning to cross-lingual generalization-demonstrate that our approach consistently outperforms state-of-the-art baselines. This fusion of black-box initialization with advanced semantic refinement yields a scalable and efficient solution, paving the way for next-generation LLM-driven applications in diverse real-world scenarios. The source code will be released soon.
title Instruction Learning Paradigms: A Dual Perspective on White-box and Black-box LLMs
topic Computation and Language
Artificial Intelligence
Machine Learning
url https://arxiv.org/abs/2506.21573