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Lei Zhang

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SWE-Universe: Scale Real-World Verifiable Environments to Millions

SWE-Universe, a scalable and efficient framework for automatically constructing real-world software engineering (SWE) verifiable environments from GitHub pull requests (PRs), utilizes a building agent powered by an efficient custom-trained model to ensure the reliable generation of high-fidelity, verifiable tasks.

Mouxiang Chen, Lei Zhang, Yunlong Feng et al. · 14 citations · ⚡1
#natural language process... Preprint Sep 2026

Spurious Tool Use: When RL Agents Learn the Wrong Reason to Act

A dense, decision-level reward is introduced in which an LLM judge evaluates the necessity of each tool call, which effectively suppresses cue-driven tool use while preserving task performance, providing a practical approach to improving the robustness of LLM agent tool-use policies.

Yi-Wei Yang, Hao-Xiang Zhang, Bing-Bing Wen et al. · 0 citations
Review Aug 2026

SWE-Bench ProMax: Benchmarking Agents on Large-Scale Multilingual Code Refactoring

SWE-Bench ProMax is introduced, an expert-curated, multilingual code refactoring benchmark of 170 instances drawn from real commits across seven programming languages, which presents a meaningful and unsaturated challenge for current AI coding agents.

Yu-Ling Shi, Jing-Heng Xu, Kelin Fu et al. · 6 citations

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