Documentation Index
Fetch the complete documentation index at: /llms.txt
Use this file to discover all available pages before exploring further.
OpenAI GPT Image 1.5 via the direct OpenAI Images API.
| Model id | gpt-image-1.5 |
| Media | image |
| Submit to | POST /v1/images |
| Price | 5 credits credits before discounts |
| Typical time | about 20.0 s |
promptaspect_ratio, generate_image_count, image_background, mask_image, moderation, output_format, image_quality, reference_images
{
"model": "gpt-image-1.5",
"prompt": "Three-quarter character sheet of an Indian uncle in a cream kurta, clean forehead, soft studio key, seamless warm grey backdrop, photoreal, 50mm. No text.",
"aspect_ratio": "1024x1024",
"generate_image_count": 1,
"image_background": "opaque",
"moderation": "auto",
"output_format": "png",
"image_quality": "high"
}
| Field | Allowed | Default |
|---|---|---|
aspect_ratio | auto, 1024x1024, 1024x1536, 1536x1024 | "1024x1024" |
generate_image_count | 1.0 – 4.0 | 1 |
image_background | opaque, transparent, auto | "opaque" |
mask_image | asset id (up to 1) | |
moderation | auto, low | "auto" |
output_format | png, webp, jpeg | "png" |
image_quality | high, medium, low | "high" |
reference_images | asset ids (up to 5) |
POST /v1/uploads or an earlier output’s asset_id.
Prices and allowed values come from the live catalog; GET /v1/models/gpt-image-1.5 is always current.