Equation 23 · Measuring AI Agent Reliability: What the Evidence Actually Supports
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Read the formula alongside the article passage below. Each part has a deeper page with its role in the equation, the supporting passage and nearby citations.
This mathematical expression combines the displayed quantities; its precise role follows from the surrounding article text. Read the equation part by part below; each part has a contextual explanation and a link to its mathematical background.
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Symbol k
k is a part of this expression. Its role is fixed by the surrounding article and by the operations shown in the formula.
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What the article says around this equation
State which question is being answered. A best-of- k number (pass@k) and an every-time number (pass ^k ) are both legitimate, and they can diverge sharply on the same system and the same task set [ 3 ] . Reporting one while a reader assumes the other is a common, avoidable source of overconfidence.
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