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Framework Proposes Rigorous Method to Compare Cloud vs On-Device AI Costs

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A technical review of MonkeyCode mobile code found that its speech-to-text and task features rely on server-side streaming, meaning it does not currently serve as evidence for on-device AI inference. The author argues that cloud and on-device AI cost comparisons must track four separate budgets — user latency, network transfer, provider spend, and device energy — rather than collapsing them into a single vague figure. A CSV template with fields covering device, model, token counts, network conditions, and energy in joules is proposed to standardize fair measurements. The framework warns against using battery percentage as a proxy for energy, recommending platform profilers or external power meters instead, and requires failures to be recorded rather than discarded. A release decision, the author concludes, should be driven by measurable thresholds across latency, bytes, cost, energy, privacy, and quality evaluated on identical task sets.

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