Equation 6 · Shipping an On-Device AI Feature That Actually Works in the Field
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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.
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Symbol p
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What the article says around this equation
The consequence is structural rather than a tuning detail: appears in every request’s cost regardless of p , so a router only pays for itself if the local attempt is cheap relative to what it saves, and a router that is expensive to run locally can lose to simply escalating difficult-looking requests immediately based on a cheap, coarse signal computed before committing to the full local attempt.
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