Test Before You Deploy: Governing Updates in the LLM Supply Chain
Large Language Models (LLMs) are increasingly used as core dependencies in software systems. However, the hosted LLM services evolve continuously through provider-side updates without explicit version changes. These silent updates can introduce behavioral drift, causing regressions in functionality, formatting, safety constraints, or other application-specific requirements. Existing approaches focus primarily on regression testing or versioning but do not provide deployer-side mechanisms for governing compatibility during opaque model evolution. This paper proposes a deployment-side governance framework based on three components: clearly defined rules for how the model is allowed to behav...
| Authors | Mohd Sameen Chishti, Damilare Peter Oyinloye, Jingyue Li |
|---|---|
| Primary category | cs.SE |
| Published | 30 April 2026 |
| Last updated at source | 30 April 2026 |
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