Does Alignment Tuning Really Break LLMs' Internal Confidence?

Fuente: arXiv
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Autori principali: Oh, Hongseok, Hwang, Wonseok
Natura: Preprint
Pubblicazione: 2024
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author Oh, Hongseok
Hwang, Wonseok
author_facet Oh, Hongseok
Hwang, Wonseok
contents Large Language Models (LLMs) have shown remarkable progress, but their real-world application necessitates reliable calibration. This study conducts a comprehensive analysis of calibration degradation of LLMs across four dimensions: models, calibration metrics, tasks, and confidence extraction methods. Initial analysis showed that the relationship between alignment and calibration is not always a trade-off, but under stricter analysis conditions, we found the alignment process consistently harms calibration. This highlights the need for (1) a careful approach when measuring model confidences and calibration errors and (2) future research into algorithms that can help LLMs to achieve both instruction-following and calibration without sacrificing either.
format Preprint
id arxiv_https___arxiv_org_abs_2409_00352
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle Does Alignment Tuning Really Break LLMs' Internal Confidence?
Oh, Hongseok
Hwang, Wonseok
Computation and Language
Machine Learning
Large Language Models (LLMs) have shown remarkable progress, but their real-world application necessitates reliable calibration. This study conducts a comprehensive analysis of calibration degradation of LLMs across four dimensions: models, calibration metrics, tasks, and confidence extraction methods. Initial analysis showed that the relationship between alignment and calibration is not always a trade-off, but under stricter analysis conditions, we found the alignment process consistently harms calibration. This highlights the need for (1) a careful approach when measuring model confidences and calibration errors and (2) future research into algorithms that can help LLMs to achieve both instruction-following and calibration without sacrificing either.
title Does Alignment Tuning Really Break LLMs' Internal Confidence?
topic Computation and Language
Machine Learning
url https://arxiv.org/abs/2409.00352