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20242026
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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…

cs.CL2025

R2C2-Coder: Enhancing and Benchmarking Real-world Repository-level Code Completion Abilities of Code Large Language Models

Ken Deng, Jiaheng Liu, He Zhu +13

Code completion models have made significant progress in recent years. Recently, repository-level code completion has drawn more attention in modern software development, and sever…

cs.CL2025

KAT-V1: Kwai-AutoThink Technical Report

Zizheng Zhan, Ken Deng, Huaixi Tang +27

We present Kwaipilot-AutoThink (KAT), an open-source 40B large language model developed to address the overthinking problem in reasoning-intensive tasks, where an automatic thinkin…

cs.CL2025

DREAM: Disentangling Risks to Enhance Safety Alignment in Multimodal Large Language Models

Jianyu Liu, Hangyu Guo, Ranjie Duan +14

Multimodal Large Language Models (MLLMs) pose unique safety challenges due to their integration of visual and textual data, thereby introducing new dimensions of potential attacks…

cs.CL2025

ProgCo: Program Helps Self-Correction of Large Language Models

Xiaoshuai Song, Yanan Wu, Weixun Wang +3

Self-Correction aims to enable large language models (LLMs) to self-verify and self-refine their initial responses without external feedback. However, LLMs often fail to effectivel…

cs.CL2024

M2rc-Eval: Massively Multilingual Repository-level Code Completion Evaluation

Jiaheng Liu, Ken Deng, Congnan Liu +13

Repository-level code completion has drawn great attention in software engineering, and several benchmark datasets have been introduced. However, existing repository-level code com…