It indeed is one of these cases. Individual letter recognition doesn’t work well, since they tend to be clumped up into larger “tokens”, which then can’t be differentiated anymore. That’s also the same reason why it can’t count the letters in words, It sees words as just a single, or at most three “tokens”
Classic case of “that’s not what LLMs are made for”?
It indeed is one of these cases. Individual letter recognition doesn’t work well, since they tend to be clumped up into larger “tokens”, which then can’t be differentiated anymore. That’s also the same reason why it can’t count the letters in words, It sees words as just a single, or at most three “tokens”