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cs.CV2026

HappyWorld-Bench

Zhiqi Bai, Junai Cai, Yixin Chen +33

Evaluating world models requires assessing both the quality of the worlds they generate and their consistency and responsiveness under exploration, interaction, and modification. W…

cs.SE2026

VibeMemBench: Evaluating Memory Systems for Coding Agents on Real Repository Coding Tasks

Liyang Fan, Yingcheng Shi, Yongbin Li +7

Coding agents operate on real repository coding tasks, and persistent memory systems promise to reuse experience across tasks. Yet existing evaluations do not show whether those sy…

cs.CV2026

RubricRM: Generative Reward Modeling via Dynamic Rubrics for Image Generation and Editing

Zijian Kan, Wei Wang, Long Luo +6

Reward models play an essential role in aligning visual generative models, yet most existing visual reward models use a single scalar score or rely on fixed criteria that cannot ad…

cs.AI2026

The Illusion of : Evaluating the Breakdown of Counterfactual Reasoning in LLMs

Yucheng Wang, Yuetian Du, Zhengyi Liu +8

Counterfactual reasoning requires models to reason beyond the observed world and explain how altered conditions propagate through downstream consequences. Existing benchmarks large…

cs.MA2026

Living-Harness Is an Interactive-Agent Evolver

Yuetian Du, Yucheng Wang, He Xu +9

Large language model (LLM) agents may recover from a failure within an episode or after a retry, yet the same execution failure can recur in later tasks because post-episode feedba…

cs.AI2026

Science Edge Evaluation: SEE the Missing Step Toward Real Scientific Discovery

Taolin Han, Yuchen Zhang, Jinghang Wang +22

Large language models (LLMs) are increasingly involved in scientific discovery, yet it remains unclear whether they can support complex real laboratory science. Here we introduce S…

cs.AI2026

Right Answer, Wrong Method: Shortcut Hacking Misleads the Evaluation of LLM Reasoning on Frontier Science Benchmarks

Xuan Ren, Weiqi Zhai, Tianle Pu +3

Scientific reasoning benchmarks typically evaluate large language models (LLMs) using final-answer accuracy. However, a correct answer does not necessarily demonstrate the reasonin…

cs.CL2026

Are the Financial Reasoning from LLMs Credible? A Real World Test over Long-Horizon Statements

Xinke Tong, Xuanming Zhang, Tianyi Tang +10

Do Large Language Models (LLMs) possess genuine structural reasoning, or merely rely on surface-level pattern matching? The financial domain, demanding numerical precision and mult…

cs.CL2026

Before the Action: Benchmarking LLMs on Prospective Hypothesis Discovery

Tianyun Zhong, Wangyi Jiang, Wei Wang +15

Large language models (LLMs) excel at answering pre-specified questions, yet their ability to navigate the open-ended, pre-conclusion stage of discovery remains largely unmeasured.…

cs.RO2026

LA4VLA: Learning to Act without Seeing via Language-Action Pretraining

Tao Lin, Yuxin Du, Yiran Mao +13

Vision-Language-Action (VLA) models are commonly pretrained on robot demonstrations by jointly mapping visual observations and language instructions to actions. However, dense visu…

cs.LG2026

Discovering Millions of Interpretable Features with Sparse Autoencoders

XinYang He, Wei Wang, Bing Zhao +5

Sparse autoencoders (SAEs) have emerged as a powerful tool for decomposing superposed language model representations into sparse and interpretable features. However, training SAEs…

cs.CE2026

ICBCBench: An Industry Consortium Benchmark for Financial Deep Research

Weiya Li, Zhiwei Tang, Yizhou He +10

With the rapid advancement of Deep Research Agents in knowledge-intensive domains such as finance, establishing reliable and domain-aligned evaluation standards remains a critical…

cs.AI2026

EvoTrainer: Co-Evolving LLM Policies and Training Harnesses for Autonomous Agentic Reinforcement Learning

Guhong Chen, Yingcheng Shi, Yongbin Li +6

Autonomous LLM training is often framed as recipe search, which leaves the training harness largely static. This limitation sharpens in agentic RL, where shifting bottlenecks and s…

cs.SE2026

Socratic-SWE: Self-Evolving Coding Agents via Trace-Derived Agent Skills

Chuan Xiao, Zhengbo Jiao, Shaobo Wang +5

LLM-driven software engineering agents have become a central testbed for real-world language-model capability, yet their training remains limited by the availability of high-qualit…

cs.AI2026

The Sim-to-Real Gap of Foundation Model Agents: A Unified MDP Perspective

Xiaoou Liu, Tiejin Chen, Weibo Li +2

Foundation model agents are increasingly deployed for real-world decision-making, but suffer from the sim-to-real gap. While robotics and classical control have mature frameworks t…

cs.AI2026

FeynmanBench: Benchmarking Multimodal LLMs on Diagrammatic Physics Reasoning

Zeyu Wang, Jingye Xu, Xiaogang Li +7

Current multimodal benchmarks for scientific reasoning primarily evaluate local information extraction -- models recognize symbols and values and then perform textual inference. Th…

cs.AI2026

BilliardPhys-Bench: Benchmarking Physical Reasoning and Visual Dynamics of Multimodal LLMs

Ben Wang, Xiaogang Li, Ruochen Gao +6

Current multimodal models handle static image recognition well, but intuitive physical reasoning remains a weakness. Predicting how objects will move and interact from a single ima…

cs.AI2026

MAS-Algorithm: A Workflow for Solving Algorithmic Programming Problems with a Multi-Agent System

Yuliang Xu, Xiang Xu, Yao Wan +2

Algorithmic problem solving serves as a rigorous testbed for evaluating structured reasoning in AI coding systems, as it directly reflects a model's ability to perform structured r…

cs.AI2026

Architectural Design Decisions in AI Agent Harnesses

Hu Wei

AI agent systems increasingly rely on reusable non-LLM engineering infrastructure that packages tool mediation, context handling, delegation, safety control, and orchestration. Yet…

cs.CL2026

MedPRMBench: A Fine-grained Benchmark for Process Reward Models in Medical Reasoning

Lingyan Wu, Xiang Zheng, Weiqi Zhai +5

Medical reasoning can reach a plausible answer while overlooking an unsafe or unsupported intermediate step. Process-Level Reward Models (PRMs) can verify such steps, yet existing…

cs.SE2026

SWE-CI: Evaluating Agent Capabilities in Maintaining Codebases via Continuous Integration

Jialong Chen, Xander Xu, Hu Wei +2

Large language model (LLM)-powered agents have demonstrated strong capabilities in automating software engineering tasks such as static bug fixing. However, in the real world, the…

cs.AI2026

Unmasking Reasoning Processes: A Process-aware Benchmark for Evaluating Structural Mathematical Reasoning in LLMs

Xiang Zheng, Weiqi Zhai, Wei Wang +15

Recent large language models (LLMs) achieve near-saturation accuracy on many established mathematical reasoning benchmarks, raising concerns about their ability to diagnose genuine…

cs.LG2026

DeepVision-103K: A Visually Diverse, Broad-Coverage, and Verifiable Mathematical Dataset for Multimodal Reasoning

Haoxiang Sun, Lizhen Xu, Bing Zhao +5

Reinforcement Learning with Verifiable Rewards (RLVR) has been shown effective in enhancing the visual reflection and reasoning capabilities of Large Multimodal Models (LMMs). Howe…

cs.AI2026

Credit Where It is Due: Cross-Modality Connectivity Drives Precise Reinforcement Learning for MLLM Reasoning

Zhengbo Jiao, Shaobo Wang, Zifan Zhang +4

Reinforcement Learning with Verifiable Rewards (RLVR) has significantly advanced the reasoning capabilities of Multimodal Large Language Models (MLLMs), yet how visual evidence is…