activity
20222026
most citedLanguage Ranker: A Metric for Quantifying LLM Performance Across High and Low-Resource Languages

16 citations · 54 across the 56 of their papers we have counts for

collaborators

61 papers

cs.AI2026

Long-Horizon-Terminal-Bench 2.0: Automating Diverse Task Construction and Measuring Sustained Agent Progress

Zongxia Li, Zhongzhi Li, Yucheng Shi +14

Long-horizon terminal benchmarks measure whether an agent can sustain progress through extended workflows with process rewards, not only whether its final state passes a binary che…

cs.AI2026

Scaling Trajectories for Complex Tasks through Recursive Self-Rewrite

Zongxia Li, Yucheng Shi, Zhongzhi Li +7

Successful trajectories on difficult tasks provide valuable supervision for model improvement, but specialized harnesses introduce interventions that may be unavailable during depl…

cs.SE2026

Self-Supervised Scaling of Terminal Environments for Scientific Domains

Zhongzhi Li, Yucheng Shi, Zongxia Li +8

Terminal agents are increasingly deployed beyond software engineering in science and other specialized domains. Constructing training environments requires executable reference beh…

cs.LG2026

T1: Terminal Agent Reinforcement Learning for Long-Horizon Tasks

Junyao Yang, Yucheng Shi, Zhongzhi Li +4

Agent usage is shifting toward long-horizon tasks such as coding and scientific discovery, among which terminal tasks are especially important. We introduce T1, a Mixture-of-Expert…

cs.AI2026

Recursive Synthesis for Long-Horizon Terminal Tasks

Zhongzhi Li, Yucheng Shi, Zongxia Li +8

High-quality long-horizon training data for terminal agents is expensive to produce, often costing hundreds to thousands of dollars per task, because each task must keep the instru…

cs.CV2026

Self-Evolving Code-with-Image Reasoning

Tianze Yang, Liang Wu, Ruitong Sun +6

Multimodal models increasingly reach for tools when solving visual tasks (crop, zoom, rotate, brighten), a paradigm known as thinking-with-images. The central challenge is one of p…

cs.LG2026

Stale but Stable: Staleness-Adaptive Trust Regions for Stabilizing Asynchronous Reinforcement Learning

Junyao Yang, Yucheng Shi, Zongxia Li +6

Asynchronous reinforcement learning improves throughput by decoupling rollout generation from optimization, but the resulting staleness is an inevitable byproduct, compounded joint…

cs.CL2026

Tencent WorkBuddy Bench: A Multi-Domain Coding-Agent Benchmark with Contamination-Resistant Task Construction

Tencent WorkBuddy Bench Team, Siqi Cai, Shaopeng Chen +35

We introduce Tencent WorkBuddy Bench, a multi-domain evaluation suite for coding agents; this report documents its construction methodology, scoring protocol, and a cross-model lea…

cs.AI2026

Harness Handbook: Making Evolving Agent Harnesses Readable,Navigable, and Editable

Ruhan Wang, Yucheng Shi, Zongxia Li +7

The capability of a modern AI agent depends not only on its foundation model but also on its harness, which constructs prompts, manages state, invokes tools, and coordinates execut…

cs.AI2026

Long-Horizon-Terminal-Bench: Testing the Limits of Agents on Long-Horizon Terminal Tasks with Dense Reward-Based Grading

Zongxia Li, Zhongzhi Li, Yucheng Shi +12

AI agents have become capable of autonomously completing short, well-specified tasks. However, existing terminal benchmarks largely focus on simple problems that finish within minu…

cs.PF2026

Cluster, Route, Escalate: Cascaded Framework for Cost-Aware LLM Serving

Yasmin Moslem, Magdalena Kacmajor, Vasudevan Nedumpozhimana +11

Efficient deployment of large language models (LLMs) in production forces a trade-off between accuracy and cost. Operators often default to a single model that is either expensive…

cs.AI2026

Trust the Right Teacher: Quality-Aware Self-Distillation for GUI Grounding

Jingyuan Huang, Zuming Huang, Yucheng Shi +4

Graphical user interface (GUI) grounding requires vision-language models (VLMs) to identify small target elements in high-resolution screenshots and predict precise screen coordina…

cs.AI2026

Reasoning or Memorization? Direction-Aware Diversity Exploration in LLM Reinforcement Learning

Jiangnan Xia, Yucheng Shi, Yu Yang +3

Reinforcement learning has become a key paradigm for eliciting reasoning abilities in large language models, where exploration is crucial for discovering effective solution traject…

cs.AI2026

Online Skill Learning for Web Agents via State-Grounded Dynamic Retrieval

Jiaxi Li, Ke Deng, Yun Wang +5

Language agents increasingly rely on reusable skills to improve multi-step web automation across related tasks. A growing line of work studies online skill learning, where agents c…

cs.CV2026

ProtoAda: Prototype-Guided Adaptive Adapter Expansion and Geometric Consolidation for Multimodal Continual Instruction Tuning

Yu-Cheng Shi, Zhen-Hao Xie, Jun-Tao Tang +1

Multimodal Large Language Models (MLLMs) achieve strong performance through instruction tuning, but real-world deployment requires them to continually acquire new vision-language c…

cs.CL2026

CRAM: Centroid-Routing and Adaptive MoE for Multimodal Continual Instruction Tuning

Jun-Tao Tang, Zhen-Hao Xie, Yu-Cheng Shi +1

Multimodal Large Language Models (MLLMs) unify heterogeneous vision-language tasks under a shared generative framework via instruction tuning, yet real-world deployment demands con…

cs.CV2026

Self-Improving Small Object Grounding in LVLMs

Tianze Yang, Yucheng Shi, Ruitong Sun +2

Can internal attention patterns in Large Vision Language Models (LVLMs) identify reliable small-object boxes without fine-tuning? In this work, we provide an affirmative answer. At…

cs.AI2026

TRON: Targeted Rule-Verifiable Online Environments for Visual Reasoning RL

Tianze Yang, Yucheng Shi, Ruitong Sun +3

Reinforcement learning (RL) for visual reasoning needs scalable, verifiable, and controllable training signals. Existing visual RL post-training trains on static curated datasets,…

cs.LG2026

Prism: A Plug-in Reproducible Infrastructure for Scalable Multimodal Continual Instruction Tuning

Jun-Tao Tang, Yu-Cheng Shi, Zhen-Hao Xie +1

Multimodal Large Language Models (MLLMs) achieve versatility by reformulating diverse tasks into a unified instruction-following framework via instruction tuning. However, real-wor…

cs.AI2026

Learning to Build the Environment: Self-Evolving Reasoning RL via Verifiable Environment Synthesis

Yucheng Shi, Zhenwen Liang, Kishan Panaganti +3

We pursue a vision for self-improving language models in which the model does not merely generate problems or traces to imitate, but constructs the environments that train it. In z…

cs.CL2026

DeltaRubric: Generative Multimodal Reward Modeling via Joint Planning and Verification

Rui Liu, Dian Yu, Zhenwen Liang +6

Aligning Multimodal Large Language Models (MLLMs) requires reliable reward models, yet existing single-step evaluators can suffer from lazy judging, exploiting language priors over…

cs.CV2026

Reinforcing Multimodal Reasoning Against Visual Degradation

Rui Liu, Dian Yu, Haolin Liu +6

Reinforcement Learning has significantly advanced the reasoning capabilities of Multimodal Large Language Models (MLLMs), yet the resulting policies remain brittle against real-wor…

cs.AI2026

From Logs to Language: Learning Optimal Verbalization for LLM-Based Recommendation at Industry Scale

Yucheng Shi, Ying Li, Yu Wang +8

Large language models (LLMs) are promising backbones for generative recommender systems, yet a key challenge remains underexplored: verbalization, i.e., converting structured user…

cs.LG2026

SAME: Stabilized Mixture-of-Experts for Multimodal Continual Instruction Tuning

Zhen-Hao Xie, Jun-Tao Tang, Yu-Cheng Shi +3

Multimodal Large Language Models (MLLMs) achieve strong performance through instruction tuning, but real-world deployment requires them to continually expand their capabilities, ma…