There's also a "how much it reads to produce that data." If you go to https://beta.openai.com/account/usage https://beta.openai.com/account/usage you will see

There's also a "how much it reads to produce that data." If you go to https://beta.openai.com/account/usage https://beta.openai.com/account/usage you will see things like: text-davinci, 5 requests 187 prompt + 218 completion = 405 tokens Note at the bottom of https://beta.openai.com/playground/p/default-grammar?model=text-davinci-003 https://beta.openai.com/playground/p/default-grammar?model=t... - you will see a counter in the lower right corner. The default that this playground model opens with shows 15 tokens in the prompt and the friend chat ( https://beta.openai.com/playground/p/default-friend-chat?model=text-davinci-003 https://beta.openai.com/playground/p/default-friend-chat?mod... ) starts out with 28 tokens. Submitting it, and the conversation now has 41 tokens in it... and adding another line, 50 tokens... and the response, now 97 tokens. And so on.