Execution · Difficulty 4/5

Compute cost for an AI feature

A PM interview practice question for SENIOR, STAFF, AI-PM candidates.

The prompt

Estimate the monthly compute cost for an AI summary feature on a 10M-MAU product, where 30% of users use it weekly. State your assumptions about token cost, length, and routing.

How to practice it in PrepOS

PrepOS's adaptive queue surfaces this question when you calibrate to a matching target level and your weakest concepts overlap with what it tests. Open the practice simulator and select the round type to start a rep with this prompt.

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Round: Execution
Target levels: SENIOR, STAFF, AI-PM
Source: original · Reviewed by PrepOS seed