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GPT-Image 1.5

Integrate

Model id gpt-image-1.5
# Run the model; wait up to 20 s for the finished result in the same call
curl -X POST "https://vit.doitong.com/api/v1/run/gpt-image-1.5?wait=20" \
  -H "Authorization: Bearer $DOITONG_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "prompt": "A red fox trots through fresh snow at sunrise, soft golden light, shallow depth of field"
  }'

# Still "queued" or "running"? Poll with the id from the response:
curl "https://vit.doitong.com/api/v1/requests/REQUEST_ID?wait=20" \
  -H "Authorization: Bearer $DOITONG_API_KEY"

Files like the example: $0.134 134 API credits your files are measured before the run Run it on this page

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OpenAI Text to Image #openai#gpt-image

Version 1.5 text-to-image defaulting to high quality, with prompts up to 32000 characters

OpenAI · Image

Your first result goes here

Build a request below and run it with your API key. Outputs are copied to our storage, kept forever or 7 days for free.

Build a request

Controls are generated from the model schema. The code and the price update as you change them.

•required 88 / 32000

Prompt used to generate images.

image_size default 1024x1024

Aspect ratio of the resulting image.

quality default high

Quality of the resulting image.

num_images default 1

Count of images to produce.

Advanced background · output_format
background default auto

Background of the resulting image.

output_format default png

File format of the output images.

POST /run/gpt-image-1.5?wait=20 quote → $0.134
# Run the model; wait up to 20 s for the finished result in the same call
curl -X POST "https://vit.doitong.com/api/v1/run/gpt-image-1.5?wait=20" \
  -H "Authorization: Bearer $DOITONG_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "prompt": "A red fox trots through fresh snow at sunrise, soft golden light, shallow depth of field"
  }'

# Still "queued" or "running"? Poll with the id from the response:
curl "https://vit.doitong.com/api/v1/requests/REQUEST_ID?wait=20" \
  -H "Authorization: Bearer $DOITONG_API_KEY"

Run this request

Your key stays in this browser: it is sent only to the Doitong API and saved (localStorage) only if you tick Remember. Get an API key

About GPT-Image 1.5

Generates images from long prompts of up to 32000 characters. Sizes are 1024x1024, 1536x1024 and 1024x1536, with quality low, medium or high (high by default). Supports transparent or opaque backgrounds, up to 4 images per call, and png, jpeg or webp output.

Parameters

Send either the canonical name or the native name, not both. Canonical names

NameType DefaultAllowed Description
promptrequired
Typestring
≤ 32,000 characters≥ 2 characters
Prompt used to generate images.
image_sizeoptional
Typeenum
Default1024x1024
1024x10241536x10241024x1536
Aspect ratio of the resulting image.
backgroundoptional
Typeenum
Defaultauto
autotransparentopaque
Background of the resulting image.
qualityoptional
Typeenum
Defaulthigh
lowmediumhigh
Quality of the resulting image.
num_imagesoptional num_outputs
Typeinteger
Default1
1 – 4
Count of images to produce.
output_formatoptional
Typeenum
Defaultpng
jpegpngwebp
File format of the output images.
required Canonical name, also accepted

Output

GET /requests/req_8k2m4q7x1z9c3v5b6n0p2r4t
{
  "id": "req_8k2m4q7x1z9c3v5b6n0p2r4t",
  "object": "request",
  "model": "gpt-image-1.5",
  "status": "succeeded",
  "created_at": "2026-10-20T12:00:00Z",
  "started_at": "2026-10-20T12:00:02Z",
  "completed_at": "2026-10-20T12:00:09Z",
  "queue_position": null,
  "cost": {
    "credits": 134,
    "usd": "0.134",
    "charged": 134,
    "refunded": 0
  },
  "input": {
    "prompt": "A red fox trots through fresh snow at sunrise, soft golden light, shallow depth of field"
  },
  "output": {
    "images": [
      {
        "url": "https://content.doitong.com/dev-api/2026/10/20/req_8k2m4q7x1z9c3v5b6n0p2r4t/0-output.jpeg",
        "content_type": "image/jpeg",
        "file_name": "0-output.jpeg",
        "file_size": 1843200,
        "width": 1024,
        "height": 768
      }
    ]
  },
  "outputs": [
    {
      "type": "image",
      "url": "https://content.doitong.com/dev-api/2026/10/20/req_8k2m4q7x1z9c3v5b6n0p2r4t/0-output.jpeg",
      "content_type": "image/jpeg",
      "file_size": 1843200,
      "width": 1024,
      "height": 768,
      "stored": true
    }
  ],
  "error": null,
  "metrics": {
    "inference_seconds": 6.8
  },
  "urls": {
    "self": "https://vit.doitong.com/api/v1/requests/req_8k2m4q7x1z9c3v5b6n0p2r4t",
    "cancel": "https://vit.doitong.com/api/v1/requests/req_8k2m4q7x1z9c3v5b6n0p2r4t/cancel"
  }
}
Your files, your choiceEvery outputs[].url is a copy on our storage: kept forever (paid per GB-month) or 7 days for free, by your account setting or ?storage=.
Same shape on every modeltype, url, content_type, width, height and duration, for images, video and audio alike. output is the model’s own result object.
Fields of output
images
array of object {url, content_type, file_name, file_size, width, height}Images produced by the model.

More models: Text to Image

For AI agents: this page as Markdown is at https://doitong.com/developers/models/gpt-image-1.5.md. All models and guides: https://doitong.com/developers/llms.txt