List fine-tuning checkpoints
get https://api.openai.com/v1/fine_tuning/jobs/{fine_tuning_job_id}/checkpoints
List checkpoints for a fine-tuning job.
Path parameters
Query parameters
Returns
A list of fine-tuning checkpoint objects for a fine-tuning job.
Example request
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curl https://api.openai.com/v1/fine_tuning/jobs/ftjob-abc123/checkpoints \
-H "Authorization: Bearer $OPENAI_API_KEY"Response
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{
"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
}