BERT and GPT split on one decision made before a single weight is trained: what does each token get to see? That choice cascades into attention, use case, and why one family now dominates. Here is the answer.
Updated Aug 2026 · Grounded in real Applied AI Engineer interview loops and written to a senior-engineer editorial bar.
BERT and GPT split on one decision made before a single weight is trained: what does each token get to see? That choice cascades into attention, use case, and why one family now dominates. Here is the answer.
No lesson covers this question directly yet. These teach the surrounding topic from the beginning.
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