CHRIS HAY

IDEAS · SYSTEMS · OBJECTS / LONDON · 2026

Still from how the tokenizer for gpt-4 (tiktoken) works and why it can't reverse strings
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how the tokenizer for gpt-4 (tiktoken) works and why it can't reverse strings

Chris Hay’s “how the tokenizer for gpt-4 (tiktoken) works and why it can't reverse strings”, published on YouTube.

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Created and published by Chris Hay on YouTube. Catalogued 2026-09-05. ≈ 3,600 views at retrieval (rounded by YouTube).

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Hay, C. (n.d.). how the tokenizer for gpt-4 (tiktoken) works and why it can't reverse strings. In Chris Hay on YouTube. YouTube. https://www.youtube.com/watch?v=NMoHHSWf1Mo
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