17 lines
534 B
TypeScript
17 lines
534 B
TypeScript
import { encoding_for_model } from "@dqbd/tiktoken";
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import { TiktokenModel } from "@dqbd/tiktoken";
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// This function calculates the number of tokens in a text string using GPT-3.5-turbo model
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export function numTokensFromString(message: string, model: string): number {
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const encoder = encoding_for_model(model as TiktokenModel);
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// Encode the message into tokens
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const tokens = encoder.encode(message);
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// Free the encoder resources after use
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encoder.free();
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// Return the number of tokens
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return tokens.length;
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}
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