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Jingang Wang

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#machine learning Preprint Sep 2026

Long-Horizon Scaling: How Model Capabilities Shape the Returns to Computation

Long-horizon agents improve solutions through sustained interaction, execution, and task feedback. Scaling studies relate performance to resources and capabilities, yet how existing capabilities shape returns to extended interaction remains less understood. To address this gap, we analyze AutoLab and EdgeBench, two lon...

Hao-Yu Zheng, Zheng-Yu Chen, Huai-Sheng Zhu et al. · 0 citations
Jul 2026

Distilling Temporal Search and Reasoning: Evolving LLMs for Future Prediction via Harness-Assisted Efficient Data Synthesis

A time-truncation harness is proposed that enforces a temporal cut-off at every turn, enabling TIR-style sampling from historical events, enabling TIR-style sampling from historical events, reducing temporal leakage and reliance of rejection sampling or unsolved queries, increasing the sampling efficiency.

Wanxu Cai, Zheng-Yu Chen, Huai-Sheng Zhu et al. · 0 citations
Preprint Aug 2026

Beyond Final Scores: A Systematic Evaluation of Agents for Long-Horizon AI Research and Development

A systematic evaluation of seven frontier models on 36 long-horizon tasks based on a new framework that uses rule-based metrics to characterize within-run behavior through Solution Framing, Execution, and Feedback Control and controlled comparisons to assess experience reuse within and across tasks is presented.

Yi-Wei Li, Wanli Yang, He-Xiang Tan et al. · 1 citation
Jul 2026

Co-Harness: Co-Evolving Harnesses and Model Weights for LLM Agents

Co-Harness is introduced, a framework that jointly optimizes the agent harness and model parameters during post-training and suggests that joint harness and model optimization is an effective way to improve agents beyond fixed-harness post-training.

Zhengyu Chen, Teng Xiao, Huaisheng Zhu et al. · 4 citations
Preprint Jul 2026

ToFu: A White-Box, Token-Efficient Agent Harness for Researchers

ToFu is presented, an agentic harness for researchers that reads your codebase, edits files, runs commands, and integrates with your development tools and provides a white-box agentic harness that allows researchers to inspect, modify, and evaluate its orchestration logic, tool-use behavior, and harness design.

Junhao Ruan, Yuan Ge, Bei Li et al. · 0 citations

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