Fine Tuning - Get Checkpoints

Reference

Service:: Azure AI Services

API Version:: 2024-10-21

Gets the checkpoints for the fine-tune job specified by the given fine-tune-id. Checkpoints are created at the end of successful epochs during training.

GET {endpoint}/openai/fine_tuning/jobs/{fine-tuning-job-id}/checkpoints?api-version=2024-10-21

With optional parameters:

GET {endpoint}/openai/fine_tuning/jobs/{fine-tuning-job-id}/checkpoints?after={after}&limit={limit}&api-version=2024-10-21

URI Parameters

Name	In	Required	Type	Description
endpoint	path	True	string url	Supported Cognitive Services endpoints (protocol and hostname, for example: https://aoairesource.openai.azure.com. Replace "aoairesource" with your Azure OpenAI account name).
fine-tuning-job-id	path	True	string	The identifier of the fine-tune job.
api-version	query	True	string	The requested API version.
after	query		string	Identifier for the last checkpoint ID from the previous pagination request.
limit	query		integer int32	Number of checkpoints to retrieve. Defaults to 10.

Request Header

Name	Required	Type	Description
api-key	True	string	Provide your Cognitive Services Azure OpenAI account key here.

Responses

Name	Type	Description
200 OK	FineTuningJobCheckpointList	Success
Other Status Codes	ErrorResponse	An error occurred.

Security

api-key

Provide your Cognitive Services Azure OpenAI account key here.

Type: apiKey
In: header

Examples

Getting checkpoints of a fine tuning job.

Sample request

HTTP

GET https://aoairesource.openai.azure.com/openai/fine_tuning/jobs/ftjob-72a2792ef7d24ba7b82c7fe4a37e379f/checkpoints?api-version=2024-10-21

Sample response

Status code:: 200

{
  "has_more": false,
  "data": [
    {
      "id": "ftckpt_qtZ5Gyk4BLq1SfLFWp3RtO3P",
      "created_at": 1646126127,
      "fine_tuned_model_checkpoint": "gpt-35-turbo-0613.ft-72a2792ef7d24ba7b82c7fe4a37e379f:ckpt-step-10",
      "step_number": 10,
      "metrics": {
        "step": 10,
        "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
      },
      "fine_tuning_job_id": "ftjob-72a2792ef7d24ba7b82c7fe4a37e379f",
      "object": "fine_tuning.job.checkpoint"
    },
    {
      "id": "ftckpt_frtXDR2453C4FG67t03MLPs5",
      "created_at": 1646126137,
      "fine_tuned_model_checkpoint": "gpt-35-turbo-0613.ft-72a2792ef7d24ba7b82c7fe4a37e379f:ckpt-step-20",
      "step_number": 20,
      "metrics": {
        "step": 20,
        "train_loss": 0.355,
        "train_mean_token_accuracy": 0.947,
        "valid_loss": 11.32,
        "valid_mean_token_accuracy": 0.122,
        "full_valid_loss": 0.317,
        "full_valid_mean_token_accuracy": 0.955
      },
      "fine_tuning_job_id": "ftjob-72a2792ef7d24ba7b82c7fe4a37e379f",
      "object": "fine_tuning.job.checkpoint"
    },
    {
      "id": "ftckpt_agLk6Gio560ORp14gl123fgd",
      "created_at": 1646126147,
      "fine_tuned_model_checkpoint": "gpt-35-turbo-0613.ft-72a2792ef7d24ba7b82c7fe4a37e379f:ckpt-step-30",
      "step_number": 30,
      "metrics": {
        "step": 30,
        "train_loss": 0.155,
        "train_mean_token_accuracy": 0.975,
        "valid_loss": 9.31,
        "valid_mean_token_accuracy": 0.092,
        "full_valid_loss": 0.114,
        "full_valid_mean_token_accuracy": 0.963
      },
      "fine_tuning_job_id": "ftjob-72a2792ef7d24ba7b82c7fe4a37e379f",
      "object": "fine_tuning.job.checkpoint"
    }
  ],
  "object": "list"
}

Definitions

Name	Description
Error	Error
ErrorCode	ErrorCode
ErrorResponse	ErrorResponse
FineTuningJobCheckpoint	FineTuningJobCheckpoint
FineTuningJobCheckpointList	FineTuningJobCheckpointList
InnerError	InnerError
InnerErrorCode	InnerErrorCode
TypeDiscriminator	TypeDiscriminator

Error

Name	Type	Description
code	ErrorCode	ErrorCode Error codes as defined in the Microsoft REST guidelines (https://github.com/microsoft/api-guidelines/blob/vNext/Guidelines.md#7102-error-condition-responses).
details	Error[]	The error details if available.
innererror	InnerError	InnerError Inner error as defined in the Microsoft REST guidelines (https://github.com/microsoft/api-guidelines/blob/vNext/Guidelines.md#7102-error-condition-responses).
message	string	The message of this error.
target	string	The location where the error happened if available.

ErrorCode

Name	Type	Description
conflict	string	The requested operation conflicts with the current resource state.
contentFilter	string	Image generation failed as a result of our safety system.
fileImportFailed	string	Import of file failed.
forbidden	string	The operation is forbidden for the current user/api key.
internalFailure	string	Internal error. Please retry.
invalidPayload	string	The request data is invalid for this operation.
itemDoesAlreadyExist	string	The item does already exist.
jsonlValidationFailed	string	Validation of jsonl data failed.
notFound	string	The resource is not found.
quotaExceeded	string	Quota exceeded.
serviceUnavailable	string	The service is currently not available.
tooManyRequests	string	Too many requests. Please retry later.
unauthorized	string	The current user/api key is not authorized for the operation.
unexpectedEntityState	string	The operation cannot be executed in the current resource's state.

ErrorResponse

Name	Type	Description
error	Error	Error Error content as defined in the Microsoft REST guidelines (https://github.com/microsoft/api-guidelines/blob/vNext/Guidelines.md#7102-error-condition-responses).

FineTuningJobCheckpoint

Name	Type	Description
created_at	integer	The Unix timestamp (in seconds) for when the checkpoint was created.
fine_tuned_model_checkpoint	string	The name of the fine-tuned checkpoint model that is created.
fine_tuning_job_id	string	The name of the fine-tuning job that this checkpoint was created from..
id	string	The identity of this checkpoint.
metrics	object	Dictionary`2 The metrics at the step number during the fine-tuning job.
object	TypeDiscriminator	TypeDiscriminator Defines the type of an object.
step_number	integer	The step number that the checkpoint was created at.

FineTuningJobCheckpointList

Name	Type	Description
data	FineTuningJobCheckpoint[]	The list of items.
has_more	boolean	A value indicating whether the list contains more elements than returned.
object	TypeDiscriminator	TypeDiscriminator Defines the type of an object.

InnerError

Name	Type	Description
code	InnerErrorCode	InnerErrorCode Inner error codes as defined in the Microsoft REST guidelines (https://github.com/microsoft/api-guidelines/blob/vNext/Guidelines.md#7102-error-condition-responses).
innererror	InnerError	InnerError Inner error as defined in the Microsoft REST guidelines (https://github.com/microsoft/api-guidelines/blob/vNext/Guidelines.md#7102-error-condition-responses).

InnerErrorCode

Name	Type	Description
invalidPayload	string	The request data is invalid for this operation.

TypeDiscriminator

Name	Type	Description
batch	string	This object represents a batch.
file	string	This object represents a file.
fine_tuning.job	string	This object represents a fine tune job.
fine_tuning.job.checkpoint	string	This object represents a checkpoint of a fine tuning job.
fine_tuning.job.event	string	This object represents an event of a fine tuning job.
list	string	This object represents a list of other objects.
model	string	This object represents a model (can be a base model or fine tune job result).
upload	string	This object represents a file upload.
upload.part	string	This object represents part of a file upload.

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