StealthCoder

Luma AI OA questions,
7 reported by real candidates.

Every Luma AI online assessment question candidates have reported, most recent June 2026.

Get StealthCoderRuns invisibly during the live Luma AI OA. Under 2s to a working solution.

June 2026 (7)

Center Crop a Grayscale Image
Rotate a Rectangular Image Clockwise
Numerically Stable Softmax
Build a Gaussian Blur Kernel
Triangle Flags from Adjacent Elements
Minimum Euclidean Distance Between Points
Impute Missing Values and Normalize Columns
⏵ The honest play

You've seen Luma AI's questions. Yours might be the one not on the list.

StealthCoder runs invisibly during the live screen share. It reads the problem on screen and surfaces a working solution in under 2 seconds. Works on HackerRank, CodeSignal, CoderPad, and Karat.

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Questions reported by candidates from real Online Assessments. Sourced from a publicly-available candidate-aggregated repository. Not affiliated with Luma AI.

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