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Technical — AI at ScaleInterviewer: How would you roll out LLM features across our product without exploding cloud costs?
✦ AI Answer
Route by task complexity — most requests don't need a frontier model. I'd tier the stack: fast small models for classification and drafts, frontier models reserved for high-stakes reasoning, with prompt caching and batching cutting token spend by half or more...You: I'd start with model tiering — matching each request to the cheapest model that handles it well...
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