OpenAI Machine Learning Interview Questions
These are the 13 OpenAI machine learning interview questions AceOffer has reconstructed from candidate reports, sorted by how often each was reported. Transformer Debugging leads at 33×. Every question shows when it was last reported; the catalog refreshes monthly.
Key facts
- •13 distinct machine learning questions indexed
- •96 candidate reports across those questions
- •Most reported: Transformer Debugging — 33× (last seen April 2026)
- •Refreshed monthly · last updated July 2026
Most reported OpenAI machine learning questions
Sorted by candidate-report frequency. Click any question for the full breakdown.
| Question | Round | Reported | Last seen |
|---|---|---|---|
| Transformer DebuggingFree | Tech Deep Dive | 33× | April 2026 |
| ML Search / RAG System Design | Tech Deep Dive | 16× | March 2026 |
| ML Model Debugging | Tech Deep Dive | 11× | July 2025 |
| Backpropagation | Tech Deep Dive | 10× | March 2026 |
| Applied Statistics and Probability | Tech Deep Dive | 9× | March 2026 |
| Improve Tool / Image Recognition Model Training | Tech Deep Dive | 6× | December 2025 |
| LLM Decoding Stopping Time / Probability Distributions | Tech Deep Dive | 3× | April 2026 |
| Multiprocessing / Distributed Neural Network Debugging | Tech Deep Dive | 3× | April 2026 |
| GPU Infrastructure and Kubernetes | Tech Deep Dive | 1× | February 2026 |
| Human Annotation with High-Dimensional Input | Tech Deep Dive | 1× | March 2026 |
| ML Config / Configuration System | Tech Deep Dive | 1× | March 2026 |
| ML Fundamentals (Oral) | Tech Deep Dive | 1× | November 2025 |
| FP8/BF16 Mixed Precision Training & Numerical Overflow | Tech Deep Dive | 1× | April 2026 |
FAQ
How many machine learning questions does OpenAI ask?▾
AceOffer has reconstructed 13 distinct OpenAI machine learning interview questions from 96 verified candidate reports, each with verbatim follow-ups and a last-reported date.
What is the most common OpenAI machine learning interview question?▾
Transformer Debugging — reported 33 times, last seen April 2026.
How fresh is AceOffer's OpenAI machine learning question data?▾
The catalog is refreshed monthly from new candidate reports, and every question shows when it was last reported.
Get the full OpenAI catalog
Every question, every candidate-reported follow-up, plus the AI mock interviewer. Monthly refresh.