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Quiz: Production and Cost

5 questionsNo time limitPass: 60%+10 XP on first pass

Run AI features reliably and affordably: where the cost comes from, prompt caching, choosing models per task, batching, rate limiting your users, timeouts and fallbacks, handling refusals, and what to log — with a cost model you can run.

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  1. Question 1

    Which part of a typical RAG request usually costs the most?

  2. Question 2

    Why can a timestamp at the start of the system prompt hurt caching?

  3. Question 3

    What is a good use of the batch API?

  4. Question 4

    What does a per-user rate limit protect against?

  5. Question 5

    stop_reason is "refusal". What should the app do?