Will It Survive? Deciphering the Fate of AI-Generated Code in Open Source

• URL: http://arxiv.org/abs/2601.16809v1
• Date: Fri, 23 Jan 2026 15:00:46 GMT
• Title: Will It Survive? Deciphering the Fate of AI-Generated Code in Open Source
• Authors: Musfiqur Rahman, Emad Shihab,
• Abstract summary: A prevailing hypothesis suggests that code is "disposable", meaning it is merged quickly but discarded shortly thereafter.<n>We investigate this hypothesis through survival analysis of 201 open-source projects, tracking over 200,000 code remediation units authored by AI agents versus humans.
• Score: 3.6525095710982924
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: The integration of AI agents as coding assistants into software development has raised questions about the long-term viability of AI agent-generated code. A prevailing hypothesis within the software engineering community suggests this code is "disposable", meaning it is merged quickly but discarded shortly thereafter. If true, organizations risk shifting maintenance burden from generation to post-deployment remediation. We investigate this hypothesis through survival analysis of 201 open-source projects, tracking over 200,000 code units authored by AI agents versus humans. Contrary to the disposable code narrative, agent-authored code survives significantly longer: at the line level, it exhibits a 15.8 percentage-point lower modification rate and 16% lower hazard of modification (HR = 0.842, p < 0.001). However, modification profiles differ. Agent-authored code shows modestly elevated corrective rates (26.3% vs. 23.0%), while human code shows higher adaptive rates. However, the effect sizes are small (Cramér's V = 0.116), and per-agent variation exceeds the agent-human gap. Turning to prediction, textual features can identify modification-prone code (AUC-ROC = 0.671), but predicting when modifications occur remains challenging (Macro F1 = 0.285), suggesting timing depends on external organizational dynamics. The bottleneck for agent-generated code may not be generation quality, but the organizational practices that govern its long-term evolution.

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