List checkpoints for a fine-tuning job.

GET /fine_tuning/jobs/{fine_tuning_job_id}/checkpoints

List checkpoints for a fine-tuning job.

cURL

curl --request GET \
  --url https://api.openai.com/v1/fine_tuning/jobs/{fine_tuning_job_id}/checkpoints \
  --header 'Authorization: Bearer <token>'

import requests

url = "https://api.openai.com/v1/fine_tuning/jobs/{fine_tuning_job_id}/checkpoints"

headers = {"Authorization": "Bearer <token>"}

response = requests.get(url, headers=headers)

print(response.text)

const options = {method: 'GET', headers: {Authorization: 'Bearer <token>'}};

fetch('https://api.openai.com/v1/fine_tuning/jobs/{fine_tuning_job_id}/checkpoints', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.openai.com/v1/fine_tuning/jobs/{fine_tuning_job_id}/checkpoints",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

import (
	"fmt"
	"net/http"
	"io"
)

func main() {

	url := "https://api.openai.com/v1/fine_tuning/jobs/{fine_tuning_job_id}/checkpoints"

	req, _ := http.NewRequest("GET", url, nil)

	req.Header.Add("Authorization", "Bearer <token>")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.get("https://api.openai.com/v1/fine_tuning/jobs/{fine_tuning_job_id}/checkpoints")
  .header("Authorization", "Bearer <token>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.openai.com/v1/fine_tuning/jobs/{fine_tuning_job_id}/checkpoints")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Get.new(url)
request["Authorization"] = 'Bearer <token>'

response = http.request(request)
puts response.read_body

200

{
  "data": [
    {
      "id": "<string>",
      "created_at": 123,
      "fine_tuned_model_checkpoint": "<string>",
      "step_number": 123,
      "metrics": {
        "step": 123,
        "train_loss": 123,
        "train_mean_token_accuracy": 123,
        "valid_loss": 123,
        "valid_mean_token_accuracy": 123,
        "full_valid_loss": 123,
        "full_valid_mean_token_accuracy": 123
      },
      "fine_tuning_job_id": "<string>",
      "object": "fine_tuning.job.checkpoint"
    }
  ],
  "object": "list",
  "has_more": true,
  "first_id": "<string>",
  "last_id": "<string>"
}

Authorizations

Authorization · string · header · required

Bearer authentication header of the form Bearer <token>, where <token> is your auth token.

Path Parameters

fine_tuning_job_id · string · required

The ID of the fine-tuning job to get checkpoints for.

Example:

"ft-AF1WoRqd3aJAHsqc9NY7iL8F"

Query Parameters

after · string

Identifier for the last checkpoint ID from the previous pagination request.

limit · integer · default: 10

Number of checkpoints to retrieve.

Response

200 - application/json

OK

data · FineTuningJobCheckpoint · object[] · required

Show child attributes

object · enum<string> · required

Available options: list

has_more · boolean · required

first_id · string | null

last_id · string | null