切换语言

The fine-tuning job checkpoint object

The fine_tuning.job.checkpoint object represents a model checkpoint for a fine-tuning job that is ready to use.source

id

stringsource

The checkpoint identifier, which can be referenced in the API endpoints.source

created_at

integersource

The Unix timestamp (in seconds) for when the checkpoint was created.source

fine_tuned_model_checkpoint

stringsource

The name of the fine-tuned checkpoint model that is created.source

step_number

integersource

The step number that the checkpoint was created at.source

metrics

objectsource

Metrics at the step number during the fine-tuning job.source

fine_tuning_job_id

stringsource

The name of the fine-tuning job that this checkpoint was created from.source

object

stringsource

The object type, which is always "fine_tuning.job.checkpoint".source

OBJECT The fine-tuning job checkpoint object
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{
  "object": "fine_tuning.job.checkpoint",
  "id": "ftckpt_qtZ5Gyk4BLq1SfLFWp3RtO3P",
  "created_at": 1712211699,
  "fine_tuned_model_checkpoint": "ft:gpt-4o-mini-2024-07-18:my-org:custom_suffix:9ABel2dg:ckpt-step-88",
  "fine_tuning_job_id": "ftjob-fpbNQ3H1GrMehXRf8cO97xTN",
  "metrics": {
    "step": 88,
    "train_loss": 0.478,
    "train_mean_token_accuracy": 0.924,
    "valid_loss": 10.112,
    "valid_mean_token_accuracy": 0.145,
    "full_valid_loss": 0.567,
    "full_valid_mean_token_accuracy": 0.944
  },
  "step_number": 88
}