Question bank

4,310 interview questions, answered.

Reference answers, what the interviewer is really testing, how it is graded, and the follow-ups that come next.

Easy 190Medium 2,498Hard 982
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982 questions

  1. 1Assign human labelers, tasks, and models so every pairing is balanced.HardCoding· 30 min· OpenAI
  2. 2Build and configure an agent in ChatGPT to solve a client need.Hard· 20 min· OpenAI
  3. 3Create a customer-success plan for an enterprise ChatGPT customer.Hard· 20 min· OpenAI
  4. 4Design a batching service for model inference.HardSystem design· 30 min· OpenAI
  5. 5Design a language model that minimizes harmful outputs while remaining useful and expressive.HardSystem design· 30 min· Anthropic
  6. 6Design a machine-learning system.HardSystem design· 30 min· Cohere
  7. 7Design a permission system for an enterprise AI application.HardSystem design· 20 min· ElevenLabs
  8. 8Design a text-to-video generation system.HardSystem design· 30 min· OpenAI
  9. 9Diagnose why outbound email reply rates dropped 30% last month.HardProduct· 20 min· Clay
  10. 10Evaluate LLMs on a toy task and use LLMs to generate additional evaluation data.Hard· 30 min· Anthropic
  11. 11Explain distributed training and connect it to your past projects.Hard· 30 min· NVIDIA
  12. 12Explain how CPU and GPU architecture affects deep-learning performance.Hard· 30 min· NVIDIA
  13. 13Explain how simultaneous localization and mapping works.Hard· 20 min· Palantir
  14. 14How do you approach generative-AI safety in a consumer product?HardProduct· 20 min· Google, Anthropic
  15. 15How does PyTorch Fully Sharded Data Parallel work?Hard· 30 min· NVIDIA
  16. 16How would you improve Microsoft Copilot?HardProduct· 20 min· Microsoft
  17. 17How would you measure whether an LLM correctly executes a user’s requested actions?HardAI MLProduct· 20 min· Google DeepMind
  18. 18How would you respond to a provocative claim about a future dominated by AI?HardBehavioral· 20 min· OpenAI
  19. 19How would you test nondeterministic model behavior?Hard· 20 min· OpenAI
  20. 20Represent a one-nearest-neighbor classifier using a feed-forward neural network.Hard· 30 min· OpenAI
  21. 21Tell me about a time you handled bias in an AI product.HardBehavioral· 20 min· Microsoft
  22. 22Use documentation for an unfamiliar SQL-like language to solve a sequence of tasks.Hard· 20 min· Palantir
  23. 23Walk me through the system design of an AI-powered user experience.HardSystem design· 20 min· Microsoft
  24. 24What approaches would you use to improve transformer efficiency and performance?Hard· 30 min· Hugging Face