Abstract:Reproducibility is an important goal in computer science research, e.g., for artifact evaluation and to build upon experimental results of prior work. Recently, LLM agents are being used to automatically reproduce research results, but they fail to provide executable evidence of reproduction and do not consider the method of reproduction, which limits their usefulness. We present Artisan, an LLM agent that reproduces tables of numeric results, given a paper and its artifact. The approach is enabled by two key contributions: First, we frame the reproduction problem as a code generation task, enabling users to audit and re-run the resulting reproduction script independently of the agent. Second, we design automated judging mechanisms that steer the agent toward correct results without exposing them, while preventing shortcuts like copying precomputed results. To evaluate Artisan, we introduce Artisan-Bench, the first benchmark assessing the ability to generate code that reproduces research results. Artisan-Bench comprises 60 tasks derived from 23 software engineering papers. Our experiments show that Artisan is effective and efficient, with the added benefit of aiding the discovery of 20 new errors in either the paper or artifact.
From: Doehyun Baek [view email]
[v1]
Tue, 10 Feb 2026 18:15:48 UTC (926 KB)
[v2]
Fri, 31 Jul 2026 16:31:38 UTC (699 KB)
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