Prompt vs Completion
If you've worked with any AI language model — through an app, an API, or a chatbot — you've encountered these two terms, even if you didn't know their formal names. Every interaction with an LLM boils down to two halves: what you send in, and what the model sends back. Understanding …
Tokens: The Building Blocks of LLMs (Part 2)
Every time you type a message to ChatGPT or Claude, something happens before the model even starts "thinking": your text gets chopped up into small pieces called tokens. Tokens are the fundamental units that large language models actually read, process, and generate — and...
Tokens: The Building Blocks of LLMs
If you've ever noticed that AI pricing is measured in "tokens," or seen a model get confused by an unusual word, you've bumped into one of the most fundamental — and least discussed — parts of how LLMs work. Before a model can predict, reason, or write a single sentence, it first …