Create fine-tuning job

Developing

POST

/v1/fine_tuning/jobs

Create a job to fine-tune the specified model based on the given dataset.

The response includes details of the queued job, including the job status and the name of the fine-tuned model upon completion.

Learn more about fine-tuning

Request

Authorization

Provide your bearer token in the

Authorization

header when making requests to protected resources.

Example:

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

Body Params application/json

Example

{
    "training_file": "file-BK7bzQj3FfZFXr7DbL6xJwfo",
    "model": "gpt-3.5-turbo"
  }

Request Code Samples

Shell

JavaScript

Java

Swift

PHP

Python

HTTP

Objective-C

Ruby

OCaml

Dart

curl --location --request POST '/v1/fine_tuning/jobs' \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data-raw '{
    "training_file": "file-BK7bzQj3FfZFXr7DbL6xJwfo",
    "model": "gpt-3.5-turbo"
  }'

Responses

🟢200Success

application/json

Body

Example

{
  "object": "fine_tuning.job",
  "id": "ftjob-abc123",
  "model": "gpt-3.5-turbo-0613",
  "created_at": 1614807352,
  "fine_tuned_model": null,
  "organization_id": "org-123",
  "result_files": [],
  "status": "queued",
  "validation_file": null,
  "training_file": "file-abc123",
}

Modified at 2025-07-23 10:01:53

Create chat completion

List fine-tuning jobs