[xaphod]

Text is broken into something called "tokens" [0] for GPT. It doesn't work on individual characters. That explains why it always fails these character counting questions.

[0]: https://help.openai.com/en/articles/4936856-what-are-tokens-...

[nfcampos]

Interestingly both “halves” of the word as it split it have the same number of tokens

[charcircuit]

>it always fails

It usually is able to get the answer within 1 character of the actual answer.