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PUT
/
fine-tune
/
jobs
/
{job_id}
/
stop
curl -X PUT https://api.u1.archetypeai.app/v0.5/fine-tune/jobs/ft-job-my-finetune-run-3de60a5c/stop \
  -H "Authorization: Bearer $ATAI_API_KEY"

{
  "name": "my-finetune-run",
  "id": "ft-job-my-finetune-run-3de60a5c",
  "config": {
    "model": "Newton::c2_4_7b_251215a172f6d7",
    "datasets": [
      {
        "name": "training-set",
        "split": "train",
        "file_ids": ["training-set.jsonl"]
      }
    ]
  },
  "uuid": "job_0n5e9s0w2s9kkrvr8p9fq7sk8w",
  "org_uuid": "org_2wh4zfagp480wbt3nhm8tcqw6z",
  "status": "STOPPING",
  "created_at": "2026-04-27T14:32:18.421000Z",
  "updated_at": "2026-04-27T14:51:33.701000Z",
  "inference_config_path": null
}

​
Overview

This endpoint stops a running fine-tune job. Stopping a job allows it to finalize gracefully — the most recent checkpoint is preserved and any in-progress evaluation is finished — and the job ends in the STOPPED state. To abandon a job without finalizing, use Cancel Job instead.

​
Path Parameters

​
job_id
string
required
Identifier of the job to stop (1–64 characters)

​
Response

Returns the updated job record. The job’s status will transition to STOPPING and then to STOPPED once the runner finishes finalizing.
​
status
string
Status of the job after the stop request. Typically STOPPING or STOPPED.
​
updated_at
string
ISO 8601 timestamp of the status change
See Get Job for the full list of fields returned in a job record. 
curl -X PUT https://api.u1.archetypeai.app/v0.5/fine-tune/jobs/ft-job-my-finetune-run-3de60a5c/stop \
  -H "Authorization: Bearer $ATAI_API_KEY"

{
  "name": "my-finetune-run",
  "id": "ft-job-my-finetune-run-3de60a5c",
  "config": {
    "model": "Newton::c2_4_7b_251215a172f6d7",
    "datasets": [
      {
        "name": "training-set",
        "split": "train",
        "file_ids": ["training-set.jsonl"]
      }
    ]
  },
  "uuid": "job_0n5e9s0w2s9kkrvr8p9fq7sk8w",
  "org_uuid": "org_2wh4zfagp480wbt3nhm8tcqw6z",
  "status": "STOPPING",
  "created_at": "2026-04-27T14:32:18.421000Z",
  "updated_at": "2026-04-27T14:51:33.701000Z",
  "inference_config_path": null
}