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artificial intelligence

20,463 papers

#artificial intelligence Preprint Open access Oct 2026

LAGO: Language Agents with Reusable Growing Options

Long-horizon tasks expose a weakness of monolithic tool-use loops: one agent must decompose, execute, and verify a task within a single trajectory. We introduce LAGO, which treats specialized language agents as reusable temporally extended options. A meta-agent retrieves options from a persistent library or spawns new...

Yuran Wu, Mengkang Hu, Qionglin Qiu et al. · 0 citations
#artificial intelligence Preprint Open access Oct 2026

Teaching Agents in their Own Style: Blackbox Teacher Distillation for Web Agents

Frontier web agents using closed models have high inference and computational costs. Smaller open models can be an alternative, but to be performant, they require training supervision from a human or teacher model. Token-level teacher distillation is not an option for closed teachers as it needs access to the model's l...

Md Farhan Ishmam, Kenneth Marino · 0 citations
#artificial intelligence Preprint Open access Oct 2026

LabOPBench: A Multimodal Benchmark for Evidence-Grounded Laboratory Decision Making

Laboratory experiments involve more than following predefined protocols; they require adaptive decision-making as the experimental state changes. Existing scientific benchmarks rarely assess such evidence-based decisions in laboratory settings. Here we present LabOPBench, a multimodal benchmark of 756 expert-authored,...

Jingyuan Li, Yujie Liu, Yijie Dai et al. · 0 citations
#artificial intelligence Preprint Open access Oct 2026

Runtime Monitoring of Supermartingale Certificates

Supermartingale certificates formally guarantee temporal properties of discrete and continuous-time stochastic dynamical systems. However, these guarantees rely on a mathematical model of the world, leaving a sim-to-real gap that can invalidate them for the deployed system. We formulate the runtime monitoring problem f...

Mirco Giacobbe, Thomas A. Henzinger, Konstantin Kueffner et al. · 0 citations
#artificial intelligence Preprint Oct 2026

RuleTrek: Benchmarking Agentic Rule Reasoning in Complex Scenarios

Large language models (LLMs) increasingly tackle complex real-world tasks in specialized domains. However, identifying and correctly applying domain-specific rules remains challenging when scenario information is distributed across multiple files. Existing rule-reasoning benchmarks typically represent scenarios using o...

Chen-Hao Yuan, Bo-Han Yu, Yin-Hao Xu et al. · 0 citations
#artificial intelligence Preprint Oct 2026

C3: Rethinking Process Supervision via Confidence-Guided Credit Correction in Multi-Turn Reinforcement Learning

Large language models are increasingly trained as multi-turn agents that interact with external tools. However, outcome-only reinforcement learning can produce a form of misguided reinforcement: even on successful trajectories, undesirable local behaviors may receive positive token-level advantages and be favored by th...

Ai Jian, Hao-Ran Pan, Er-Yu Guo et al. · 0 citations
#artificial intelligence Preprint Oct 2026

ReFormBench: Benchmarking the Stability of Response-Conditioned Format Correction in Large Language Models

Reliable use of large language models requires responses to satisfy formatting requirements across changing instructions. Standard compliance scores do not distinguish preserving a model's observed format from correcting it, or reveal whether that correction holds across variants. We introduce ReFormBench, a benchmark...

Tian-Xiang Gao, Ya-Han Li, Chen-Lu Guo et al. · 0 citations
#artificial intelligence Preprint Oct 2026

Learning When to Trust Medical Knowledge: Regression-Safe Routing for Clinical Reasoning

This work constructs a medical knowledge-poisoning benchmark covering retrieved evidence and reasoning chains, with seven attack families filtered by a three-judge "subtle-but-wrong"vote and paired clean exams that separate poisoning effects from question difficulty, and introduces Med-TrustRouter, a lightweight contro...

Hui Zhang, Yue-Long Zeng, Yu-Hao Xin · 0 citations
#artificial intelligence Preprint Oct 2026

Are AI Decision Models Biased? A Case Study of Jev

Do AI models designed for fast, structured decisions exhibit the cognitive and social biases observed in human judgment? We evaluate Jev, a model described as a System One decision-maker, using 41,500 responses across cognitive reflection tasks, five classical cognitive-bias paradigms, and a pricing experiment testing...

Ilaria Imperatrice, T. Kameneva, A. Greenberg et al. · 0 citations
#artificial intelligence Preprint Oct 2026

JockeyBench: Evaluating LLM Agents on Horse-Racing Decision-Making

Repeated event forecasting requires extracting predictive signals from noisy evidence and evaluating their value across successive decisions. We introduce JockeyBench, a benchmark and evaluation protocol that studies this problem through historical Japanese horse racing. The protocol combines time-gated evidence, price...

Zhong-Wei Xie, Xing-Su Li, Jing Yu et al. · 0 citations
#artificial intelligence Preprint Oct 2026

Divergence-Routed On-Policy Distillation for Language Models

On-policy distillation (OPD) transfers knowledge from a teacher model to a student along student-generated trajectories, typically by minimizing the reverse Kullback-Leibler (RKL) divergence. However, RKL can provide weak corrective signals for teacher-supported tokens to which the student assigns very low probability....

Tian-Tian Peng, Guan-Nan Lv, Hong-Yang Li et al. · 0 citations

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Hugging Face Blog Nov 10, 2026

Decision Models in Hugging Face

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