The reach of a verification tool decides its value: A controlled study of verification surface, artifact quality, and cost in AI coding agents
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Achint Mehta
Author
Achint Mehta
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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.
token — The chunk of text a model reads and writes in — roughly three-quarters of a word — and the unit AI usage is billed in.
Why it matters
Giving 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 → more self-checking tools has sharply diminishing returns. A cheap boot probe eliminates most launch failures at roughly a third of a full shell's tokenThe chunk of text a model reads and writes in — roughly three-quarters of a word — and the unit AI usage is billed in.Full definition → cost, while the full shell doubles spend for less additional quality.
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