List fine-tuning checkpoints

GET

https://api.openai.com/v1/fine_tuning/jobs/ftjob-abc123/checkpoints

List checkpoints for a fine-tuning job.

Request Example

Shell

JavaScript

Java

Swift

curl --location --request GET 'https://api.openai.com/v1/fine_tuning/jobs/ftjob-abc123/checkpoints' \
--header 'Authorization: Bearer $OPENAI_API_KEY'

Response Example

{
  "object": "list"
  "data": [
    {
      "object": "fine_tuning.job.checkpoint",
      "id": "ftckpt_zc4Q7MP6XxulcVzj4MZdwsAB",
      "created_at": 1721764867,
      "fine_tuned_model_checkpoint": "ft:gpt-4o-mini-2024-07-18:my-org:custom-suffix:96olL566:ckpt-step-2000",
      "metrics": {
        "full_valid_loss": 0.134,
        "full_valid_mean_token_accuracy": 0.874
      },
      "fine_tuning_job_id": "ftjob-abc123",
      "step_number": 2000,
    },
    {
      "object": "fine_tuning.job.checkpoint",
      "id": "ftckpt_enQCFmOTGj3syEpYVhBRLTSy",
      "created_at": 1721764800,
      "fine_tuned_model_checkpoint": "ft:gpt-4o-mini-2024-07-18:my-org:custom-suffix:7q8mpxmy:ckpt-step-1000",
      "metrics": {
        "full_valid_loss": 0.167,
        "full_valid_mean_token_accuracy": 0.781
      },
      "fine_tuning_job_id": "ftjob-abc123",
      "step_number": 1000,
    },
  ],
  "first_id": "ftckpt_zc4Q7MP6XxulcVzj4MZdwsAB",
  "last_id": "ftckpt_enQCFmOTGj3syEpYVhBRLTSy",
  "has_more": true
}

Request

Authorization

Provide your bearer token in the

Authorization

header when making requests to protected resources.

Example:

Authorization: Bearer ********************

Header Params

Authorization

string

required

Example:

Bearer $OPENAI_API_KEY

Responses

🟢200Success

application/json

Body

object

string

required

data

array [object {7}]

required

object

string

required

string

required

created_at

integer

required

fine_tuned_model_checkpoint

string

required

metrics

object

required

fine_tuning_job_id

string

required

step_number

integer

required

first_id

string

required

last_id

string

required

has_more

boolean

required

Modified at 2024-12-11 08:55:03

List fine-tuning events

Retrieve fine-tuning job