<ul><li>LLMs struggle with word reversal because they process text as tokens rather than individual characters.</li><li>Tokenization, done by OpenAI's tokenizer Tiktoken, breaks text into tokens based on patterns and training data.</li><li>Tokenization is biased towards certain languages and domains, resulting in a 'tokenization penalty' for non-English content.</li><li>Understanding tokenization is essential for efficient token management and cost control in AI applications.</li></ul>

Understanding Tokenization in LLMs: Why Models Struggle with Word Reversal

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