OpenAI Online Assessment Questions
We hold only 4 confirmed online assessment reports for OpenAI so far. Below are its 126 closest coding and technical questions, which is what an OA draws from.
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OpenAI Coding & Technical Questions
OpenAI Interview experience for Support Engineer /similar role
Anyone here interviewed for the OpenAI Senior Support Engineer role? Looking for insights 🙏 Trying to understand what to expect, particularly around: * The **vibe coding round** * **Troubleshooting /
Vectorized 1-NN and Neural Network Forward Pass
Vectorized 1-NN and Neural Network Forward Pass ## Problem Overview This Machine Learning coding interview has been reported as a **two-part question**: 1. Implement **1-nearest-neighbor (1-NN)** us
OpenAI | Online Assessment
Intro The online assessment contain 2 questions is 110 minutes long on HackerRank and requires both your camera on at all times and your full screen share of all tabs. Thus,...
OpenAI internship - technical phone screen interview
Hey everyone, I appreciate you checking this post. A few days ago, I was invited to schedule a 60 minute technical phone interview with a coderpad live coding session for the openAI summer internship
#2502 Design Memory Allocator
LeetCode #2502: Design Memory Allocator. Difficulty: Medium. Topics: Array, Hash Table, Design, Simulation. Asked at OpenAI in the last 6 months.
#994 Rotting Oranges
LeetCode #994: Rotting Oranges. Difficulty: Medium. Topics: Array, Breadth-First Search, Matrix. Asked at OpenAI in the last 6 months.
#751 IP to CIDR
LeetCode #751: IP to CIDR. Difficulty: Medium. Topics: String, Bit Manipulation. Asked at OpenAI in the last 6 months.
#271 Encode and Decode Strings
LeetCode #271: Encode and Decode Strings. Difficulty: Medium. Topics: Array, String, Design. Asked at OpenAI in the last 6 months.
#981 Time Based Key-Value Store
LeetCode #981: Time Based Key-Value Store. Difficulty: Medium. Topics: Hash Table, String, Binary Search, Design. Asked at OpenAI in the last 6 months.
#71 Simplify Path
LeetCode #71: Simplify Path. Difficulty: Medium. Topics: String, Stack. Asked at OpenAI in the last 6 months.
Most Common OA Topics
OpenAI OA Format and Platform
The OpenAI online assessment is delivered through a proctored online platform, most commonly HackerRank. Candidates receive the OA link by email after passing an initial resume review. The coding section typically contains 2 to 3 algorithmic problems with a 70 to 110 minute time limit.
Some OpenAI teams include an additional work simulation section that tests judgment and decision-making rather than coding ability. This section is not present for all roles. Check the LeakCode question database filtered by role type to see what past candidates for your specific role reported.
FAQ
Does OpenAI have an online assessment?
Yes. OpenAI uses an OA as the first technical screen for most engineering and technical roles. It is typically sent after a resume review and before any human interviews. The format has remained consistent across recent hiring cycles.
How hard is the OpenAI OA?
Based on candidate reports, OpenAI OA problems range from LeetCode medium to hard. Expect at least one problem that requires an efficient algorithm (not brute force) to pass all test cases within the time limit.
Where do these OA questions come from?
All questions in the LeakCode database are sourced from actual candidate reports on 1Point3Acres, Blind, Glassdoor, Reddit, and LeetCode. They are not AI-generated. Each question links to its source where the original report is public.
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