OpenAI Online Assessment (OA) Questions
These are the 2 online assessment (OA) questions OpenAI candidates reported receiving, sorted by how often each was reported, and all of them are free to read. Minimum Steps to Target Number via Modular Addition leads at 1×. Every question shows when it was last reported; the catalog refreshes monthly.
Part of the full catalog of OpenAI interview questions, covering every round.
Key facts
- •2 distinct OA questions indexed
- •2 candidate reports across those questions
- •Most reported: Minimum Steps to Target Number via Modular Addition — 1× (last seen November 2025)
- •All 2 free to read, no account needed
- •OA reports from November 2025
- •Refreshed monthly · last updated October 2026
Which OpenAI rounds ask OA questions?
The OpenAI rounds below are where these questions come up. Counts are distinct questions, not times asked.
Most reported: Shortest Path in Tree Network Visiting All Task Nodes — 1×
Which OpenAI OA questions get asked most?
Sorted by candidate-report frequency. Click any question for the full breakdown.
| Question | Round | Reported | Last seen |
|---|---|---|---|
| Minimum Steps to Target Number via Modular AdditionFree Starting from a given number, at each step you can add any element from an array and take modulo. Find minimum steps… | OA | 1× | November 2025 |
| Shortest Path in Tree Network Visiting All Task NodesFree Given a start point, end point, and task nodes in a tree network, find the minimum time to start from start point,… | OA | 1× | November 2025 |
FAQ
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