Can you explain GPT in 200 lines?
Take a quick diagnostic quiz, then get a free lesson on tokens, BOS, and next-token prediction — the foundation everything else builds on.
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Tokens, BOS, and next-token prediction — the foundation everything else builds on.
In the free lesson, you'll learn:
What a token actually is and how text becomes numbers What BOS means and why it matters What next-token prediction is — the core task every GPT performs How to trace the first step of the pipeline in real code