curl -X GET 'https://api.openai.com/v1/evals/eval-id/runs/run-id/output_items/output-item-id' \
  -H "Authorization: Bearer $OPENAI_API_KEY"

# GET /evals/{eval_id}/runs/{run_id}/output_items/{output_item_id} (OpenAI API)
Base URL: https://api.openai.com/v1
Auth: Authorization; OpenAI API key; required.
Last verified: 2026-10-20

> Get an output item of an eval run

## Critical Gotchas
* The Responses API is the primary interface for new text and tool workflows; Chat Completions remains a separate compatibility API.
* Audio transcription uploads use multipart form data rather than a JSON request body.

## cURL
curl -X GET 'https://api.openai.com/v1/evals/eval-id/runs/run-id/output_items/output-item-id' \
  -H "Authorization: Bearer $OPENAI_API_KEY"

## Parameters
| Name | In | Type | Required | Description |
| :--- | :--- | :--- | :--- | :--- |
| eval_id | path | string | Yes | The ID of the evaluation to retrieve runs for. |
| run_id | path | string | Yes | The ID of the run to retrieve. |
| output_item_id | path | string | Yes | The ID of the output item to retrieve. |

## Response example
{"object":"eval.run.output_item","id":"string"}

---
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GET

GET /evals/{eval_id}/runs/{run_id}/output_items/{output_item_id} — OpenAI API

OpenAI API key (required); https://api.openai.com/v1

OpenAI API

Get an output item of an eval run

Base URL: https://api.openai.com/v1
Auth: Authorization: Bearer <OPENAI_API_KEY>
Last verified: 2026-10-20 · upstream hash matched

Actions Try in browser→

Agents: curl -H "Accept: text/markdown" this URL
→ 216 tokens · Vary: Accept

Critical gotchas

The Responses API is the primary interface for new text and tool workflows; Chat Completions remains a separate compatibility API.

Audio transcription uploads use multipart form data rather than a JSON request body.

cURL

curl -X GET 'https://api.openai.com/v1/evals/eval-id/runs/run-id/output_items/output-item-id' \  -H "Authorization: Bearer $OPENAI_API_KEY"

Parameters

Name	In	Type	Required	Description
eval_id	path	string	Yes	The ID of the evaluation to retrieve runs for.
run_id	path	string	Yes	The ID of the run to retrieve.
output_item_id	path	string	Yes	The ID of the output item to retrieve.

Response 200 OK

{
  "object": "eval.run.output_item",
  "id": "string",
  "run_id": "string",
  "eval_id": "string",
  "created_at": 0,
  "status": "string",
  "datasource_item_id": 0,
  "datasource_item": {},
  "results": [
    {
      "name": "string",
      "type": "string",
      "score": 0,
      "passed": true,
      "sample": {}
    }
  ],
  "sample": {
    "input": [
      {
        "role": "string",
        "content": "string"
      }
    ],
    "output": [
      {
        "role": "string",
        "content": "string"
      }
    ],
    "finish_reason": "string",
    "model": "string",
    "usage": {
      "total_tokens": 0,
      "completion_tokens": 0,
      "prompt_tokens": 0,
      "cached_tokens": 0
    },
    "error": {
      "code": "string",
      "message": "string"
    },
    "temperature": 0,
    "max_completion_tokens": 0,
    "top_p": 0,
    "seed": 0
  }
}

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