[emaro]

Kind of, but character-based tokens make it a lot harder and more expensive to learn semantics.

[docmechanic]

Source: Generative Deep Learning by David Foster, 2nd edition, published in 2023. From “Tokenization” on page 134.

“If you use word tokens: …. willnever be able to predict words outside of the training vocabulary.”

"If you use character tokens: The model may generate sequences of characters that form words outside the training vocabulary."