gpt-tokens

gpt-tokens

GPT tokens / price Calculate

Install

# npm or yarn

npm install gpt-tokens
yarn add gpt-tokens

Usage

import { GPTTokens } from 'gpt-tokens'

const usageInfo = new GPTTokens({
    // Plus enjoy a 25% cost reduction for input tokens on GPT-3.5 Turbo (0.0015 per 1K input tokens)
    plus    : false,
    model   : 'gpt-3.5-turbo-0301',
    messages: [
        {
            'role'   : 'system',
            'content': 'You are a helpful, pattern-following assistant that translates corporate jargon into plain English.',
        },
        {
            'role'   : 'system',
            'name'   : 'example_user',
            'content': 'New synergies will help drive top-line growth.',
        },
        {
            'role'   : 'system',
            'name'   : 'example_assistant',
            'content': 'Things working well together will increase revenue.',
        },
        {
            'role'   : 'system',
            'name'   : 'example_user',
            'content': 'Let\'s circle back when we have more bandwidth to touch base on opportunities for increased leverage.',
        },
        {
            'role'   : 'system',
            'name'   : 'example_assistant',
            'content': 'Let\'s talk later when we\'re less busy about how to do better.',
        },
        {
            'role'   : 'user',
            'content': 'This late pivot means we don\'t have time to boil the ocean for the client deliverable.',
        },
    ]
})

// Tokens: 127
console.log('Tokens:', usageInfo.usedTokens)
// Price USD: 0.000254
console.log('Price USD: ', usageInfo.usedUSD)

Verify the function above in openai-cookbook

Support Models

• gpt-3.5-turbo
• gpt-3.5-turbo-0301
• gpt-3.5-turbo-0613
• gpt-3.5-turbo-16k
• gpt-3.5-turbo-16k-0613
• gpt-4
• gpt-4-0314
• gpt-4-0613
• gpt-4-32k
• gpt-4-32k-0314
• gpt-4-32k-0613

Dependencies

• js-tiktoken