The reach of a verification tool decides its value: A controlled study of verification surface, artifact quality, and cost in AI coding agents
Source
arxiv.org
Author
Achint Mehta
Date
Context
A narrowly targeted check can capture much of a coding AI agentAn AI system that doesn't just answer once but works toward a goal in a loop — taking actions, reading the results, and deciding what to do next.Full definition →'s easiest verification benefit. In a study of 1,116 generated web applications, roughly one in seven builds failed to launch when the agent had no checking tools. The abstract reports that a startup probe removed nearly all such failures at about 35% of the model-text usage associated with a full shell. Screenshots offered no benefit for a performance problem such as smooth scrolling through a very large list. The reported pattern is that a checking tool helps when it can observe the particular failure being tested. Study abstract.
Terms in this piece · Glossary
AI agent — An AI system that doesn't just answer once but works toward a goal in a loop — taking actions, reading the results, and deciding what to do next.
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