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>'

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