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GPT Image 2 API

GPT Image 2 images by OpenAI from a description and references (up to 14), up to 4K. Six aspect ratios, PNG output. The prompt may be empty when references are given.

Developer: OpenAIModel key in the API: images_chatgpt

For AI assistants:Download .mdAll documentation .mdOpen as text

Connect in three steps

  1. Get a keyCreate a key in the dashboard after you confirm your email. One key opens every model.
  2. Check the pricePOST /v1/price shows the cost of a run in advance, without charging you.
  3. Run a task and collect the resultPOST /v1/tasks starts a task, GET /v1/tasks/{id} shows its status and files.

Ready-to-use code

Replace YOUR_API_KEY with your key. The code starts a task and waits for the result. In cURL, repeat the second request with the id from the first response instead of TASK_ID until status becomes succeeded.

cURL
curl -X POST "https://api.cyhub.ai/v1/tasks" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  --data '{
  "model": "images_chatgpt",
  "settings": {
    "model": "gpt-image-2",
    "prompt": "Горный хребет на рассвете, туман в долинах",
    "aspect_ratio": "16:9",
    "resolution": "2K"
  }
}'

curl "https://api.cyhub.ai/v1/tasks/TASK_ID" \
  -H "Authorization: Bearer YOUR_API_KEY"
Python
import time

import requests

API = "https://api.cyhub.ai/v1"
HEADERS = {"Authorization": "Bearer YOUR_API_KEY"}

body = {
    "model": "images_chatgpt",
    "settings": {
        "model": "gpt-image-2",
        "prompt": "Горный хребет на рассвете, туман в долинах",
        "aspect_ratio": "16:9",
        "resolution": "2K",
    },
}

response = requests.post(f"{API}/tasks", json=body, headers=HEADERS, timeout=60)
response.raise_for_status()
task = response.json()
while task["status"] in ("queued", "running"):
    time.sleep(5)
    task = requests.get(f"{API}/tasks/{task['id']}", headers=HEADERS, timeout=30).json()
print(task["status"], task["result"])
Node.js
const API = "https://api.cyhub.ai/v1";
const HEADERS = { Authorization: "Bearer YOUR_API_KEY", "Content-Type": "application/json" };

const body = {
  "model": "images_chatgpt",
  "settings": {
    "model": "gpt-image-2",
    "prompt": "Горный хребет на рассвете, туман в долинах",
    "aspect_ratio": "16:9",
    "resolution": "2K"
  }
};

async function main() {
  let response = await fetch(`${API}/tasks`, { method: "POST", headers: HEADERS, body: JSON.stringify(body) });
  if (!response.ok) throw new Error(await response.text());
  let task = await response.json();
  while (task.status === "queued" || task.status === "running") {
    await new Promise((resolve) => setTimeout(resolve, 5000));
    response = await fetch(`${API}/tasks/${task.id}`, { headers: HEADERS });
    task = await response.json();
  }
  console.log(task.status, task.result);
}

main();
Get a key

Price before the run

Prices as of 15.10.2026: from 10 ₽. POST /v1/price shows the exact price of your settings.

ModePrice
GPT Image 2from 10 ₽

Send the same settings to POST /v1/price: the response shows the price of the run without charging you.

cURL
curl -X POST "https://api.cyhub.ai/v1/price" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  --data '{
  "model": "images_chatgpt",
  "settings": {
    "model": "gpt-image-2",
    "prompt": "Горный хребет на рассвете, туман в долинах",
    "aspect_ratio": "16:9",
    "resolution": "2K"
  }
}'
  • amount_minor: the price of the run in minor units (kopecks for rubles)
  • currency: the wallet currency
  • available_minor: how much your balance has for new tasks right now

GPT Image 2

Six aspect ratios, up to 4K, up to 14 references. The prompt may be empty when references are given.

Value of the model field: gpt-image-2

Price in this mode from 10 ₽.

Parameters

Model parameters go inside settings. Omitted optional fields take their default values.

promptOptional

What to draw. May be empty when reference images are given.

Type: StringMaximum characters: 3000
aspect_ratioOptional

Aspect ratio.

Type: StringAllowed values: auto1:19:1616:94:33:4Default: "9:16"
resolutionOptional

Image resolution: 1K, 2K or 4K. Some aspect ratios allow fewer resolutions. The price depends on it.

Type: StringAllowed values: 1K2K4KThe set depends on aspect_ratio.
Exceptions
aspect_ratioresolution
autoonly 1K
1:1except 4K
Default: "1K"
image_urlsOptional

Reference image URLs, up to 14.

Type: List (String, uri)Maximum items: 14

Parameters not listed here are not accepted: the response is 422 unknown_setting.

Input

  • References are URLs of JPEG, PNG or WebP images, up to 10 MB each.
FieldAcceptsFormatsFilesFile size up to
image_urlsImagesjpeg, jpg, png, webp1410 MB
How to send files

Request example

Send this JSON to POST /v1/tasks with your API key. To check the price first, send the same JSON to POST /v1/price.

Wide image in 2K

JSON
{
  "model": "images_chatgpt",
  "settings": {
    "model": "gpt-image-2",
    "prompt": "Горный хребет на рассвете, туман в долинах",
    "aspect_ratio": "16:9",
    "resolution": "2K"
  }
}

The price is calculated when the task is accepted, currency RUB.

Complete generation example

Output

  • One PNG image per run.
  • 4K takes noticeably longer, up to several minutes.
KindFormatsHow manyNote
imagepng1

A finished task as GET /v1/tasks/{id} returns it (some fields left out). The caption may sit on the task or on a single file and may be empty; the model picks the file name.

JSON
{
  "id": "7c9e6679-7425-40de-944b-e07fc1f90ae7",
  "status": "succeeded",
  "finished_at": "2026-10-01T12:03:41+00:00",
  "result": {
    "caption": "Caption of the result: the model and its settings",
    "texts": [],
    "files_expire_at": "2026-10-08T12:03:41+00:00",
    "files_expired": false,
    "artifacts": [
      {
        "index": 0,
        "kind": "image",
        "filename": "image.png",
        "size": 1843200,
        "caption": "",
        "download_path": "/v1/tasks/7c9e6679-7425-40de-944b-e07fc1f90ae7/artifacts/0"
      }
    ]
  }
}
How to read the result and download files

See also

Try GPT Image 2 through the API

One key opens every CyHUB model. Payment in rubles, and you see the price before the run.

Get an API key