cyberchef/src/core/operations/CountAITokens.mjs
Glenn R. Martin 6df8c1004f Adding AI Token Counter
(cherry picked from commit 8b20dcbf1b52e3accc430655c2d1d94f058171fe)
2025-06-03 19:09:06 -04:00

101 lines
4.5 KiB
JavaScript

/**
* @author grmartin [grmartin]
* @copyright Crown Copyright 2016
* @license Apache-2.0
*/
import Operation from "../Operation.mjs";
// This mapping returns a Promise that resolves to the correct countTokens function for the model.
const MODEL_TO_COUNT_TOKENS = {
// cl100k_base models
"gpt-4": () => import("gpt-tokenizer/model/gpt-3.5-turbo").then(m => m.countTokens),
"gpt-4-32k": () => import("gpt-tokenizer/model/gpt-3.5-turbo").then(m => m.countTokens),
"gpt-4-turbo": () => import("gpt-tokenizer/model/gpt-3.5-turbo").then(m => m.countTokens),
"gpt-4o": () => import("gpt-tokenizer/model/gpt-3.5-turbo").then(m => m.countTokens),
"gpt-4-0125-preview": () => import("gpt-tokenizer/model/gpt-3.5-turbo").then(m => m.countTokens),
"gpt-4-1106-preview": () => import("gpt-tokenizer/model/gpt-3.5-turbo").then(m => m.countTokens),
"gpt-3.5-turbo": () => import("gpt-tokenizer/model/gpt-3.5-turbo").then(m => m.countTokens),
"gpt-3.5-turbo-16k": () => import("gpt-tokenizer/model/gpt-3.5-turbo").then(m => m.countTokens),
"gpt-3.5-turbo-instruct": () => import("gpt-tokenizer/model/gpt-3.5-turbo").then(m => m.countTokens),
"gpt-3.5-turbo-0125": () => import("gpt-tokenizer/model/gpt-3.5-turbo").then(m => m.countTokens),
"gpt-3.5-turbo-1106": () => import("gpt-tokenizer/model/gpt-3.5-turbo").then(m => m.countTokens),
"text-embedding-ada-002": () => import("gpt-tokenizer/model/text-embedding-ada-002").then(m => m.countTokens),
"text-embedding-3-large": () => import("gpt-tokenizer/model/text-embedding-3-large").then(m => m.countTokens),
"text-embedding-3-small": () => import("gpt-tokenizer/model/text-embedding-3-small").then(m => m.countTokens),
// p50k_base models
"code-davinci-002": () => import("gpt-tokenizer/model/code-davinci-002").then(m => m.countTokens),
"code-davinci-001": () => import("gpt-tokenizer/model/code-davinci-002").then(m => m.countTokens),
"code-cushman-002": () => import("gpt-tokenizer/model/code-cushman-002").then(m => m.countTokens),
"code-cushman-001": () => import("gpt-tokenizer/model/code-cushman-002").then(m => m.countTokens),
"text-davinci-002": () => import("gpt-tokenizer/model/text-davinci-002").then(m => m.countTokens),
"text-davinci-003": () => import("gpt-tokenizer/model/text-davinci-003").then(m => m.countTokens),
// p50k_edit models
"text-davinci-edit-001": () => import("gpt-tokenizer/model/text-davinci-edit-001").then(m => m.countTokens),
"code-davinci-edit-001": () => import("gpt-tokenizer/model/code-davinci-edit-001").then(m => m.countTokens),
// r50k_base models
"davinci": () => import("gpt-tokenizer/model/davinci").then(m => m.countTokens),
"curie": () => import("gpt-tokenizer/model/curie").then(m => m.countTokens),
"babbage": () => import("gpt-tokenizer/model/babbage").then(m => m.countTokens),
"ada": () => import("gpt-tokenizer/model/ada").then(m => m.countTokens),
};
/**
* Count AI Tokens operation
*/
class CountAITokens extends Operation {
/**
* Count AI Tokens constructor
*/
constructor() {
super();
this.name = "Count AI Tokens";
this.module = "AI";
this.infoURL = "https://github.com/niieani/gpt-tokenizer";
this.description = "Counts the number of GPT tokens in the input text using niieani/gpt-tokenizer. Select the model to use the correct encoding.";
this.inputType = "string";
this.outputType = "string";
this.args = [
{
name: "Model",
type: "option",
value: Object.keys(MODEL_TO_COUNT_TOKENS),
}
];
}
/**
* @param {string} input
* @param {Object[]} args
* @returns {string}
*/
async run(input, args) {
if (!input) return "";
// const [model] = args;
// // Use the mapping, fallback to cl100k_base if not found
// const encoding = MODEL_TO_ENCODING[model] || cl100k_base;
// const tokenCount = encoding.;
// return tokenCount.toString();
const [model] = args;
let countTokensFn;
if (MODEL_TO_COUNT_TOKENS[model]) {
countTokensFn = await MODEL_TO_COUNT_TOKENS[model]();
} else {
// fallback to default (gpt-3.5-turbo encoding)
countTokensFn = (await import("gpt-tokenizer/model/gpt-3.5-turbo")).countTokens;
}
const tokenCount = countTokensFn(input);
return tokenCount.toString();
}
}
export default CountAITokens;