BPE is the tokenizer behind GPT-style models, and implementing it proves you understand how subword vocabularies are built, not just that they exist. The signal is the iterative merge of the most frequent adjacent pair.
Updated Aug 2026 · Grounded in real Applied AI Engineer interview loops and written to a senior-engineer editorial bar.
BPE is the tokenizer behind GPT-style models, and implementing it proves you understand how subword vocabularies are built, not just that they exist. The signal is the iterative merge of the most frequent adjacent pair.
No comments yet — be the first to share your approach.
