LLMs are getting better at character-level text manipulation | Tom Burkert
Recently, I have been testing how well the newest generations of large language models (such as GPT-5 or Claude 4.5) handle natural language, specifically counting characters, manipulating characters in a sentences, or solving encoding and ciphers. Surprisingly, the newest models were able to solve these kinds of tasks, unlike previous generations of LLMs. Character manipulation LLMs handle individual characters poorly. This is due to all text being encoded as tokens via the LLM tokenizer and...| Tom Burkert
