Top 50
Prep plan
Updated weekly · Last refresh Sep 22

OpenAI GenAI Engineer Interview Questions

The questions to prepare for a OpenAI GenAI Engineer interview. Questions from real interview reports rank first. Updated daily.

50questions
~11htotal time
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1
CodingStart here. 17 questions · ~219 min
Fix Transformer Bugs and Recycle as ClassifierHard
Practice

Repair Transformer shape, masking, and residual bugs, then expose a classifier with the correct final-layer output shape.

backpropagationCodingAlgorithmsOpenAI
GPU Credits Time-OrderingHard
Practice

Process GPU credits and debits chronologically with FIFO consumption and timestamp-based expiration.

ArraysData StructuresAlgorithmsOpenAI
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2
System Design6 questions · ~77 min
GitHub Actions–Style CI/CD with DepthHard

Design a reliable CI/CD platform for ML and AI workloads, prioritizing correctness and recovery over raw execution speed.

gpu hardwaredistributed systemsModel ServingOpenAI
Simple Linear CI/CD PipelineMedium

Design a CI/CD orchestrator that runs a non-DAG pipeline strictly in sequence with reliable retries and failure handling.

distributed systemsdesignfailure modesOpenAI
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3
Generative AI & LLMs17 questions · ~219 min
Evaluate Fine-Tuned vs Base ModelMedium
Recently asked

Define an eval plan to compare a fine-tuned model against the base model, covering offline quality, hallucination risk, and online validation.

OpenAI
Cut LLM Latency Below 1sHard
Recently asked

Reduce LLM response latency from 3 seconds to under 1 second while preserving acceptable answer quality and controlling hallucinations.

OpenAI
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4
Model Evaluation6 questions · ~77 min
A/B Test Prompt VariantsMedium
Recently asked

Tests experimentation design and metrics selection for prompt changes.

OpenAI
LLM-as-Judge vs Human EvalMedium
Recently asked

Tests judgment about evaluation methods, cost, and reliability tradeoffs.

OpenAI
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5
Behavioral & Leadership4 questions · ~52 min
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