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This is a medium difficulty Machine Learning question, commonly asked during Onsite rounds at OpenAI.

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This question is commonly asked for Machine Learning Engineer candidates at OpenAI during technical interviews.

Debug Transformer and Add KV Cache

Last updated: Jun 21, 2026

Quick Overview

This question evaluates debugging and implementation skills for transformer-based autoregressive language models, focusing on attention mechanics, positional embeddings, causal masking, and integrating a key-value (KV) cache for incremental decoding.

medium
OpenAI
Machine Learning
Machine Learning Engineer

|Home/Machine Learning/OpenAI

Debug Transformer and Add KV Cache

OpenAI

Feb 1, 2026, 12:00 AM

mediumMachine Learning EngineerOnsiteMachine Learning

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