Question

A product team is integrating a large language model into their customer support tool. During cost planning, an engineer notes that both the user's input and the model's generated reply are billed based on tokens. A teammate asks what a 'token' actually represents in this context. Which explanation is most accurate?

Accepted Answer

A token is a chunk of text (such as a word or part of a word) that the model processes as a single unit for input and output.

Answer

A token is a unique security key that authenticates each request sent to the model's API.

Answer

A token is a single complete sentence the model reads before generating a reply.

Answer

A token is a numerical measure of how confident the model is in its generated answer.