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OpenAI Interview Questions

The questions to prepare for OpenAI interviews, across all roles. Questions from real interview reports rank first. Updated daily.

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1
CodingStart here. 6 questions · ~68 min
2
SQL & Data Manipulation5 questions · ~57 min
Rolling Retention Rates by CohortHard
Practice
Recently asked

Calculate daily cohort retention and ninety-day rolling retention using PostgreSQL window functions.

OpenAI
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3
Execution5 questions · ~57 min
Roadmap With Competing PrioritiesHard

Build and execute an engineering roadmap when product, reliability, and platform priorities compete for the same team capacity.

RoadmappingScope ManagementPrioritizationOpenAI
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4
Metrics5 questions · ~57 min
Critical Metrics for Product LaunchMedium
Recently asked

Choose the most important launch metrics, balancing early signals, long-term outcomes, and a clear KPI hierarchy.

KPIsConversion RateLeading IndicatorsOpenAI
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5
Generative AI & LLMs5 questions · ~57 min
Reduce Hallucinations in LLM AnswersEasy
Recently asked

Explain LLM hallucination and give three practical ways to reduce it using grounding, prompting, and evaluation.

HallucinationPrompt EngineeringRAGOpenAI
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6
System Design3 questions · ~34 min
Design a Low Latency RAG PlatformHard
Recently asked

Design a low latency RAG system over millions of documents, with scalable retrieval, ranking, generation, and production monitoring.

low latencyscalabilityRAG architectureOpenAI
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7
More topics21 questions · ~238 min
Compute KL DivergenceHard
Recently asked

Compute forward, reverse, and optionally symmetric KL divergence for two discrete random variables.

Distributionsstatistics fundamentalsprobabilityOpenAI
Reduce Hallucinations in Support AssistantEasy

Build a RAG support assistant with answer-grounding checks to reduce hallucinations and abstain when retrieved evidence is insufficient.

Vector SearchLanguage ModelsHallucinationOpenAI
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