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OpenAI LeetCode Interview Questions

Practice 17 coding problems currently tagged to OpenAI. Use the frequency and topic signals to build a focused software engineering interview practice plan.

Last updated: September 28, 2026

1 Easy
14 Medium
2 Hard

Top Topics at OpenAI

ArrayDesignHash TableStringStack

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OpenAI Interview Problems

ProblemDifficultyDiffFrequencyTopicsAction
Design Memory Allocator
100%
MediumM
100%
ArrayHash Table+2
Solve→
Design SQL
97.3%
MediumM
97.3%
ArrayHash Table+2
Solve→
Encode and Decode Strings
87.4%
MediumM
87.4%
ArrayString+1
Solve→
Flatten Nested List Iterator
82%
MediumM
82%
StackTree+4
Solve→
Rotting Oranges
82%
MediumM
82%
ArrayBreadth-First Search+1
Solve→
Time Based Key-Value Store
77.5%
MediumM
77.5%
Hash TableString+2
Solve→
IP to CIDR
77.5%
MediumM
77.5%
StringBit Manipulation
Solve→
Simplify Path
63.3%
MediumM
63.3%
StringStack
Solve→
Design Excel Sum Formula
63.3%
HardH
63.3%
ArrayHash Table+5
Solve→
Largest Local Values in a Matrix
49.1%
EasyE
49.1%
ArrayMatrix
Solve→
Asteroid Collision
49.1%
MediumM
49.1%
ArrayStack+1
Solve→
Trapping Rain Water
49.1%
HardH
49.1%
ArrayTwo Pointers+3
Solve→
Design Spreadsheet
49.1%
MediumM
49.1%
ArrayHash Table+3
Solve→
Design Hit Counter
49.1%
MediumM
49.1%
ArrayBinary Search+3
Solve→
Design Authentication Manager
49.1%
MediumM
49.1%
Hash TableLinked List+2
Solve→
Snapshot Array
49.1%
MediumM
49.1%
ArrayHash Table+3
Solve→
LRU Cache
49.1%
MediumM
49.1%
Hash TableLinked List+2
Solve→

Similar Companies

Explore company practice sets with a similar number of tagged coding questions.

Activecampaign
17 problems
Akuna Capital
17 problems
Alaska Airlines
17 problems
AMD
17 problems
Arcellx
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Blackrock
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Frequently Asked Questions

What LeetCode problems are tagged to OpenAI?

Our current OpenAI practice dataset contains 17 tagged coding problems, including Design Memory Allocator, Design SQL, Encode and Decode Strings. The difficulty breakdown is 1 Easy, 14 Medium, and 2 Hard problems.

How should I prepare for a OpenAI coding interview?

Focus on the most frequently asked problems first, especially those with high frequency scores. OpenAI interviews typically emphasize Array and Design. Practice explaining your thought process while coding.

What is the difficulty level of OpenAI coding interviews?

Based on our data, OpenAI interviews include 1 Easy (6%), 14 Medium (82%), and 2 Hard (12%) problems.

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