promptstringrequired
The text prompt to generate an image from.
Default: "Generate an image of gray tabby cat hugging an otter with an orange scarf"
openai/gpt-image-2.5-sunburstGPT Image 2.5 Sunburst prioritizes visual fidelity and precision for complex image generation workflows.
Try the model
Customize your input with more control.
Select an example to load its inputs and result into the playground.
{
"aspect_ratio": "16:9",
"prompt": "Create a photorealistic candid photograph of an elderly sailor standing on a small fishing boat.\nHe has weathered skin with visible wrinkles, pores, and sun texture, and a few faded traditional sailor tattoos on his arms.\nHe is calmly adjusting a net while his dog sits nearby on the deck. Shot like a 35mm film photograph, medium close-up at eye level, using a 50mm lens.\nSoft coastal daylight, shallow depth of field, subtle film grain, natural color balance.\nThe image should feel honest and unposed, with real skin texture, worn materials, and everyday detail. No glamorization, no heavy retouching."
}{
"aspect_ratio": "16:9",
"prompt": "Create a detailed Infographic of the functioning and flow of an automatic coffee machine like a Jura.\nFrom bean basket, to grinding, to scale, water tank, boiler, etc.\nI'd like to understand technically and visually the flow."
}{
"aspect_ratio": "16:9",
"prompt": "Give me a cool in culture ad / fashion shot for a brand called Thread.\nIt's a hip young street brand. The ad shows a group of friends hanging out together with the tagline \"Yours to Create.\"\nMake it feel like a polished campaign image for a youth streetwear audience: stylish, contemporary, energetic, and tasteful.\nUse clean composition, strong color direction, natural poses, and premium fashion photography cues.\nRender the tagline exactly once, clearly and legibly, integrated into the ad layout.\nNo extra text, no watermarks, no unrelated logos."
}{
"aspect_ratio": "1:1",
"output_format": "png",
"prompt": "茶饮果茶门店玻璃静电贴,主标题使用“茶饮果茶”,副标题使用“清新果香 欢迎品尝”,采用透明饮品杯主题,背景必须是纯白色(纯白底 RGB 255,255,255),透明塑料饮品杯图案放在纯白背景上,不要灰色背景、不要深色背景、不要渐变、不要场景背景,不出现茶饮品牌,不作减脂、美容等功效宣传,黄绿橙色清新年轻高级设计,1比1比例,不规则边缘,边缘完整不超出画面,去掉阴影。",
"quality": "low",
"resolution": "2k"
}Human preference
Elo ratings from blind side-by-side votes, compared with other image and video models.
Rankings sourced from Artificial Analysis Arena
Text-to-image arena: people pick the better of two images generated from the same prompt, without seeing the model names.
GPT Image 2.5 Sunburst is the fidelity-first GPT Image 2.5 tier, for complex scenes, dense text, and precise layouts. Five quality levels and 1K to 4K output let you trade cost for detail.
| Field | Type | Default | Notes |
|---|---|---|---|
prompt | string, required | — | Up to 50,000 characters. |
quality | low / medium / high / xhigh / max | high | Higher quality costs more; high is the default. |
resolution | 1k / 2k / 4k | — | Output size tier; omit for 1K. |
aspect_ratio | 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 | 1:1 | Output frame shape. |
output_format | jpeg / png / webp | png | Output file format. |
Price depends on quality and resolution, per image:
| Quality | 1k | 2k | 4k |
|---|---|---|---|
| low | $0.01 | $0.02 | $0.03 |
| medium | $0.024 | $0.04 | $0.07 |
| high (default) | $0.09 | $0.15 | $0.27 |
| xhigh | $0.16 | $0.27 | $0.48 |
| max | $0.36 | $0.60 | $1.00 |
Failed runs are not charged.
low or medium, then rerun at high.Other GPT Image endpoints: openai/gpt-image-2.5-sunburst/edit, openai/gpt-image-2.5-flare, openai/gpt-image-2.5-flare/edit, openai/gpt-image-2, openai/gpt-image-2/edit.
Start building
Submit this model through the SandBase Unified Run API.
# The quoted heredoc keeps Unicode and shell metacharacters unchanged.
result=$(curl --fail-with-body --silent \
-X POST "https://api.sandbase.ai/v1/run" \
-H "Authorization: Bearer $SANDBASE_API_KEY" \
-H "Content-Type: application/json" \
--data-binary @- <<'SANDBASE_JSON'
{
"model": "openai/gpt-image-2.5-sunburst",
"prompt": "Generate an image of gray tabby cat hugging an otter with an orange scarf",
"quality": "high",
"aspect_ratio": "1:1",
"output_format": "png"
}
SANDBASE_JSON
)
printf '%s\n' "$result"Create a SandBase API key and set it in your server environment. All requests use Bearer authentication.
export SANDBASE_API_KEY="YOUR_API_KEY"Keep the key on your server. Do not expose it in browser code or commit it to a repository.
Pass a publicly accessible file URL in the model’s image, video or audio field. Supported formats and limits are shown beside each Playground input.
Use the upload or replace control on supported image fields in the Playground. Video URL fields accept a hosted driving video; they do not imply video-upload support.
promptstringrequiredThe text prompt to generate an image from.
Default: "Generate an image of gray tabby cat hugging an otter with an orange scarf"
qualitystringRendering quality. `xhigh` and `max` add detail at higher latency and cost.
Default: "high"
Possible values: "low", "medium", "high", "xhigh", "max"
resolutionstringThe resolution of the generated image. Leave unset to preserve the provider's standard dimensions.
Possible values: "1k", "2k", "4k"
aspect_ratiostringThe aspect ratio of the generated image.
Default: "1:1"
Possible 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"
output_formatstringThe format of the generated image.
Default: "png"
Possible values: "jpeg", "png", "webp"
{
"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"
}A completed run exposes its result in output. The following is the model’s saved example, not a new generation.
[
{
"source": "OpenAI Cookbook prompt (MIT)",
"source_url": "https://developers.openai.com/cookbook/examples/multimodal/image-gen-models-prompting-guide",
"url": "https://static.sandbase.ai/examples/7d0dd810-5511-4b8c-9dc3-dbaad5f081d2/output/242b2ec1-ba62-4fa7-9df2-227bd48ec43e.png"
}
]