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cs.CL2026

Aspire: Can Models Self-Evolve from Vague Goals?

Yuhao Wu, Jingyuan Zhang, Jiajun Shi +18

Many important forms of human learning begin with a vague goal, such as "become a better physicist" or "improve at research." Learners must interpret the goal, identify capability…

cs.CL2026

S3Gym: Can LLMs Turn Self-Testing and Self-Judging into Self-Improvement?

Jiajun Shi, Siyuan Tao, Yuhao Wu +18

Large language models (LLMs) increasingly interact with external environments and accumulate substantial behavioral experience, yet existing agent benchmarks largely evaluate them…

cs.CL2026

MSQA: A Natively Sourced Multilingual and Multicultural SimpleQA Benchmark

Xianru Chen, Yukai Huang, Mingxiang Chen +6

Multilingual fluency often invites a stronger assumption: a model that can speak a user's language must also understand the culture encoded by that language. We call this the Illus…

cs.CL2026

MMG2Skill: Can Agents Distill In-the-Wild Guides into Self-Evolving Skills?

Xinyu Che, Junqi Xiong, Yunfei Ge +9

Abundant procedural knowledge on the Web holds great potential for helping agents solve long-horizon tasks. However, such knowledge is often multimodal, heterogeneous, noisy, and i…

cs.CL2025

KAT-Coder Technical Report

Zizheng Zhan, Ken Deng, Jinghui Wang +37

Recent advances in large language models (LLMs) have enabled progress in agentic coding, where models autonomously reason, plan, and act within interactive software development wor…

cs.CL2025

HiPO: Hybrid Policy Optimization for Dynamic Reasoning in LLMs

Ken Deng, Zizheng Zhan, Wen Xiang +25

Large Language Models (LLMs) increasingly rely on Chain-of-Thought (CoT) reasoning to improve accuracy on complex tasks. However, always generating lengthy reasoning traces is inef…