openai/gpt-image-2.5-sunburst
GPT Image 2.5 Sunburst prioritizes visual fidelity and precision for complex image generation workflows.
Input
The text prompt to generate an image from.
Quality for the generated image Allowed values: low, medium, high.
The resolution of the generated image. Leave unset to preserve the provider's standard dimensions. Allowed values: 1k, 2k, 4k.
The aspect ratio of the generated image. Allowed values: 1:1, 1:2, 2:1, 1:3, 3:1, 2:3, 3:2, 3:4, 4:3, 4:5, 5:4, 9:16, 16:9, 9:21, 21:9.
The format of the generated image. Allowed values: jpeg, png, webp.
Idle
Example output — click Run to generate your own
Production endpoint
Send your first request
OpenAI-compatible endpoint with unified authentication and usage tracking.
POST
https://api.sandbase.ai/v1/runModel ID
openai/gpt-image-2.5-sunburst01
Input Schema
5 parameters · 1 required · 4 optional
| Parameter | Type | Required | Description |
|---|---|---|---|
prompt | string | Required | The text prompt to generate an image from. · Min length: 3 · Max length: 50000 · Default: "Generate an image of gray tabby cat hugging an otter with an orange scarf" |
quality | string | Optional | Quality for the generated image · Options: low, medium, high · Default: "high" lowmediumhigh |
resolution | string | Optional | The resolution of the generated image. Leave unset to preserve the provider's standard dimensions. · Options: 1k, 2k, 4k 1k2k4k |
aspect_ratio | string | Optional | The aspect ratio of the generated image. · Options: 1:1, 1:2, 2:1, 1:3, 3:1, 2:3, 3:2, 3:4, 4:3, 4:5, 5:4, 9:16, 16:9, 9:21, 21:9 · Default: "1:1" 1:11:22:11:33:12:33:23:44:34:55:49:1616:99:2121:9 |
output_format | string | Optional | The format of the generated image. · Options: jpeg, png, webp · Default: "png" jpegpngwebp |
02
Output Schema
| Field | Type | Description |
|---|---|---|
id | string | Unique identifier for the generation task |
status | string | Task status: pending, running, completed, failed, timeout |
model | string | Model used for the generation |
outputs | array | Array of output items |
outputs[].url | string | URL of the generated artifact |
outputs[].content_type | string | MIME type (e.g. image/png, video/mp4) |
error | object | null | Error details if failed, null on success |
error.type | string | Machine-readable error type code |
error.message | string | Human-readable error description |
03
Code Examples
Ready-to-run snippets
curl -X POST https://api.sandbase.ai/v1/run \
-H "Content-Type: application/json" \
-H "Authorization: Bearer YOUR_API_KEY" \
-d '{
"model": "openai/gpt-image-2.5-sunburst",
"prompt": "Generate an image of gray tabby cat hugging an otter with an orange scarf",
"quality": "high",
"aspect_ratio": "1:1",
"output_format": "png"
}'API README
GPT Image 2.5 Sunburst
GPT Image 2.5 Sunburst is the precision-oriented Image 2.5 option for complex text-to-image generation where visual fidelity and careful composition matter.
Highlights
- Precision-oriented generation for complex prompts
- Strong focus on visual fidelity and composition
- Quality controls for low, medium, and high output
- Flexible 1K, 2K, and 4K resolution settings
Pricing
| Quality | Standard aspect ratios | 21:9 or 9:21 |
|---|---|---|
| Low | $0.015 | $0.03 |
| Medium | $0.05 | $0.08 |
| High | $0.20 | $0.30 |
API
Call POST /v1/run. This model uses synchronous execution.
Parameters
prompt(required): text describing the image to generatequality:low,medium, orhigh; defaults tohighresolution:1k,2k, or4kaspect_ratio: supported ratios from1:3through3:1, including1:1, portrait, landscape, and ultra-wide optionsoutput_format:jpeg,png, orwebp; defaults topng
Example
curl https://api.sandbase.ai/v1/run \
-H "Authorization: Bearer $SANDBASE_API_KEY" \
-H "Content-Type: application/json" \
-d '{"model":"openai/gpt-image-2.5-sunburst","prompt":"An intricate architectural scene with balanced lighting","quality":"high","resolution":"2k","aspect_ratio":"16:9","output_format":"png"}'

