GPT Image 1.5
High-fidelity image generation and editing with background control
Try it
You can fill this in now — signing in happens when you run it, and your inputs come with you.
How to use GPT Image 1.5
- Fill in Reference images in the form on this page, and pick the task to run.
- Adjust anything in the parameter table below — the defaults are the platform's recommended values.
- Run it; signing in starts the charge, and the result (Text to image) appears above the form, ready to download.
Use it from the API
The same run, as a request. Send your API key as a bearer token; poll the returned request_uid until it is done.
curl -X POST https://api.melunox.com/v1/ai/async/tasks \
-H "Authorization: Bearer $WISAVEN_API_KEY" \
-H "X-App-Id: wisaven" -H "Content-Type: application/json" \
-d '{
"model": "gpt-image-1-5",
"task": "text-to-image",
"input": {
"image_urls": "https://…",
"prompt": "your prompt here",
"resolution": "1024x1024",
"quality": "low"
}
}'At a glance
- Developer
- OpenAI
- Can do
- Text to image, Image to image
- Credits per run
- 1 credits
- Typical time
- ~12s
- Added
- 2026-08-11
Parameters
What the model takes. The form above is generated from exactly this list, and the API accepts the same field names.
| Parameter | Type | Default | Range / options |
|---|---|---|---|
image_urlsrequiredReference images | Image upload | — | ≤ 5 |
promptPrompt | Long text | — | — |
resolutionImage size | Choice | 1024x1024 | 1024x1024 · 1536x1024 · 1024x1536 · Auto |
qualityQuality | Choice | low | Low · Medium · High |
num_imagesNumber of images | Choice | 1 | 1 · 2 · 3 · 4 |
What GPT Image 1.5 costs
GPT Image 1.5 costs about 1 credits a run, usually back in around 12 seconds. Credits are shared across every workspace, new accounts start with free ones, and a failed run is refunded.
GPT Image 1.5 compared with other Image models
Same workspace, different trade-offs — credits, speed and what each one can be asked for.
| AI models | Can do | Credits per run | Typical time |
|---|---|---|---|
| GPT Image 1.5 | Text to image, Image to image | 1 | ~12s |
| Google Nano Banana Pro | Text to image, Image to image | 18 | ~30s |
| Google Nano Banana 2 | Text to image, Image to image | 8 | ~100s |
| Google Nano Banana | Text to image, Image to image | 5 | ~60s |
| Seedream 5.0 Lite | Text to image, Image to image | 4 | ~20s |
Questions
What can GPT Image 1.5 do?
Text to image, Image to image. Fill in the parameters on this page to try it.
How many credits does GPT Image 1.5 cost?
About 1 credits per run, charged at the platform's live price when you run it. One credit balance covers every workspace.
How long does it take?
Around 12 seconds; heavier settings or a queue take longer, and the page shows progress.
Do I need an account, and who owns the output?
Browsing and filling in the form need no account; running it does (new accounts start with free credits). What you generate is yours, personally or commercially, subject to the terms.
Other models like this
Where this model is used: Image·All models