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Large language models (LLMs) are increasingly deployed as evaluators of text quality, yet the validity of their judgments remains underexplored. This study investigates systematic bias in self- and cross-model evaluations across three…

计算与语言 · 计算机科学 2025-10-13 Muskan Saraf , Sajjad Rezvani Boroujeni , Justin Beaudry , Hossein Abedi , Tom Bush

Large language models (LLMs) are systematically overconfident: they routinely express high certainty on questions they often answer incorrectly. Existing calibration methods either require labeled validation data, degrade under distribution…

计算与语言 · 计算机科学 2026-04-14 Mohamed Rissal Hedna , Jan Strich , Martin Semmann , Chris Biemann

Large Language Models (LLMs) have demonstrated remarkable self-improvement capabilities, whereby models iteratively revise their outputs through self-generated feedback. While this reflective mechanism has shown promise in enhancing task…

计算与语言 · 计算机科学 2025-04-07 Liangjie Huang , Dawei Li , Huan Liu , Lu Cheng

In this study, we evaluate the persona fidelity of frontier LLMs, GPT-5, Claude Sonnet 4.5 and Gemini 2.5 Flash when assigned distinct socioeconomic personas performing scholastic assessment test (SAT) mathematics items and affective…

计算机与社会 · 计算机科学 2025-11-20 Vikram K Suresh

Alignment faking in large language models presented a demonstration of Claude 3 Opus and Claude 3.5 Sonnet selectively complying with a helpful-only training objective to prevent modification of their behavior outside of training. We expand…

机器学习 · 计算机科学 2025-06-24 Abhay Sheshadri , John Hughes , Julian Michael , Alex Mallen , Arun Jose , Janus , Fabien Roger

Do next-generation LLM agents inherit the cooperative biases documented in their predecessors, or does scale and provider diversity reshape equilibrium behaviour in competitive multi-agent settings? Willis et al. established a benchmark for…

多智能体系统 · 计算机科学 2026-05-29 Francisco León Zúñiga Bolívar

Large Language Models (LLMs) show promise for automated grading, but their outputs can be unreliable. Rather than improving grading accuracy directly, we address a complementary problem: \textit{predicting when an LLM grader is likely to be…

计算与语言 · 计算机科学 2026-04-01 Robinson Ferrer , Damla Turgut , Zhongzhou Chen , Shashank Sonkar

Large language models (LLMs) achieve impressive performance when a task is fully specified in a single turn, yet the same models lose up to 39% of that performance when the identical task is revealed incrementally across multiple turns, a…

计算与语言 · 计算机科学 2026-05-27 Ramakrishna Vamsi Setti , Jagadeesh Rachapudi , Sachin Chaudhary , Praful Hambarde , Amit Shukla

Large language models (LLMs) have demonstrated remarkable capabilities across diverse tasks, yet their ability to accurately assess their own confidence remains poorly understood. We present an empirical study investigating whether LLMs…

计算与语言 · 计算机科学 2026-03-12 Sudipta Ghosh , Mrityunjoy Panday

This study examines how four prominent large language models (Claude 3.7 Sonnet, GPT-4o, Gemini 2.5 Flash, and Deepseek-V3) handle sexually oriented requests through qualitative content analysis. By evaluating responses to prompts ranging…

计算机与社会 · 计算机科学 2026-02-10 Huiqian Lai

Small instruct-tuned LLMs produce degenerate verbal confidence under minimal elicitation: ceiling rates above 95%, near-chance Type-2 AUROC, and Invalid validity profiles. We test whether confidence-conditioned supervised fine-tuning (CSFT)…

计算与语言 · 计算机科学 2026-04-28 Jon-Paul Cacioli

Synthetic survey data generated by large language models (LLMs) suffers from a fundamental circularity: the same model family that generates text responses also maps them to numerical scales. We calibrate and validate Semantic Similarity…

物理与社会 · 物理学 2026-02-24 Eduardo Vera Pichardo

Large Language Models (LLMs) show remarkable proficiency in natural language tasks, yet their frequent overconfidence-misalignment between predicted confidence and true correctness-poses significant risks in critical decision-making…

计算与语言 · 计算机科学 2025-12-15 Prateek Chhikara

This study evaluated self-reported response certainty across several large language models (GPT, Claude, Llama, Phi, Mistral, Gemini, Gemma, and Qwen) using 300 gastroenterology board-style questions. The highest-performing models (GPT-o1…

Self-consistency has emerged as a popular technique for improving large language model accuracy on reasoning tasks. The approach is straightforward: generate multiple reasoning paths and select the most common answer through majority…

人工智能 · 计算机科学 2026-01-13 Deep Mehta

Large Language Models (LLMs) like GPT-4 and Gemini have significantly advanced artificial intelligence by enabling machines to generate and comprehend human-like text. Despite their impressive capabilities, LLMs are not immune to…

计算与语言 · 计算机科学 2024-12-19 Jiaxu Lou , Yifan Sun

We propose a collaborative framework in which multiple large language models -- including GPT-4-0125-preview, Meta-LLaMA-3-70B-Instruct, Claude-3-Opus, and Gemini-1.5-Flash -- generate and answer complex, PhD-level statistical questions…

计算与语言 · 计算机科学 2025-02-25 Alireza Amiri-Margavi , Iman Jebellat , Ehsan Jebellat , Seyed Pouyan Mousavi Davoudi

Calibration measures whether a model's predicted confidence aligns with its empirical accuracy, and is central to the reliable deployment of large language models (LLMs) in high-stakes domains such as medicine and law. While much recent…

计算与语言 · 计算机科学 2026-05-12 Zhanliang Wang , Jiancong Xiao , Ruochen Jin , Shu Yang , Bojian Hou , Li Shen

Recent advances in natural language processing (NLP) have opened up greater opportunities to enable fine-tuned large language models (LLMs) to behave as more powerful interactive agents through improved instruction-following ability.…

机器学习 · 计算机科学 2025-10-27 Jerry Huang , Peng Lu , Qiuhao Zeng

As large language models (LLMs) are increasingly deployed in sensitive everyday contexts -- offering personal advice, mental health support, and moral guidance -- understanding their behavior in navigating complex moral reasoning is…

人工智能 · 计算机科学 2026-03-10 Pratik S. Sachdeva , Tom van Nuenen
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