The answer
Yes, you can run tokenizers locally using libraries like Tiktoken or HuggingFace Tokenizers to count tokens before calling APIs.
What is Tokenization and How do LLMs Read Text?
Can I tokenize text locally?
More FAQs in What is Tokenization and How do LLMs Read Text?
Subwords allow the model to handle typos, prefixes, and suffixes efficiently without expanding the vocabulary index into millions of words.
LLM providers charge per token processed, not per word or character. Long prompts cost more because they translate to more tokens.
A word or character the tokenizer doesn't recognize, which is replaced by a special [UNK] token.
Still have questions?
Browse all our FAQs or reach out to our support team
Want to upskill yourself?
Your learning library
Small steps. Big possibilities.
Find your next course. Build something great.