Create fine tune

type Openai = {

  api_key: string;

  organization_id: string;

};

/**

 * Create fine tune

 * Creates a job that fine-tunes a specified model from a given dataset.

Response includes details of the enqueued job including job status and the name of the fine-tuned models once complete.

Learn more about fine-tuning

 */

export async function main(

  auth: Openai,

  body: {

    training_file: string;

    batch_size?: number;

    classification_betas?: number[];

    classification_n_classes?: number;

    classification_positive_class?: string;

    compute_classification_metrics?: boolean;

    hyperparameters?: { n_epochs?: "auto" | number; [k: string]: unknown };

    learning_rate_multiplier?: number;

    model?: string | ("ada" | "babbage" | "curie" | "davinci");

    prompt_loss_weight?: number;

    suffix?: string;

    validation_file?: string;

    [k: string]: unknown;

  }

) {

  const url = new URL(`https://api.openai.com/v1/fine-tunes`);

  const response = await fetch(url, {

    method: "POST",

    headers: {

      "OpenAI-Organization": auth.organization_id,

      "Content-Type": "application/json",

      Authorization: "Bearer " + auth.api_key,

    },

    body: JSON.stringify(body),

  });

  if (!response.ok) {

    const text = await response.text();

    throw new Error(`${response.status} ${text}`);

  }

  return await response.json();

}