LLM Internals
Count Tokens Before Sending an API Request
Learn to estimate and count BPE tokens before an API call, with a hand-estimation method, a token counter, and a worked cost example.
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Guides
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LLM Internals
Tokenization in LLMs and How It Drives API Cost
Learn what tokenization is, why text splits into tokens, and how token count drives LLM API pricing with a worked monthly cost example.
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