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OpenAI Interview: Customer Support RAG (EXPLAINED)

Company BasedRAGHard25 min read

Hard RAG interview question on openai interview: customer support rag — architecture, trade-offs, eval, and production patterns.

TL;DR — Quick Answer

Tiered retrieval over help center + account tools, strict grounding prompts, confidence-based escalation, PII redaction, continuous eval from resolved tickets. Emphasize safety, latency, and measurable CSAT — not just retrieval accuracy.

The Interview Question

OpenAI-style design: customer support RAG for millions of users with low hallucination, citations, and human escalation.

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