Author

Lei-Xin Sun

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#artificial intelligence Preprint Sep 2026

SWE-Prometheus: Measuring Engineering Governance Improvements in Real-World Repositories

Large language model based coding agents have made substantial progress on repository-level software engineering tasks. Existing repository benchmarks, however, usually start from a human-identified issue and evaluate whether a patch satisfies a functional signal. We present SWE-Prometheus, a benchmark for the broader...

Jia-Jun Wu, Lei-Xin Sun, Zi-Hang Tan et al. · 0 citations

#machine learning Preprint Sep 2026

MetaRSI / RSI2: A Meta-Recursive Self-Improving System for Recursive Self-Improving Systems Themselves

Recursive self-improvement (RSI) lets a system improve the model-building machinery from its own failures, so every later model inherits the gain. Yet RSI has been validated almost exclusively on coding and formal benchmarks such as science QA and mathematics. This format bound limits RSI to improvement within a machin...

Zi-Hang Tan, Lei-Xin Sun, Zi-Tong Shi et al. · 0 citations