GPT Image 2.5 Sunburst Text to Image

Name: OpenAI GPT Image 2.5 Sunburst Text to Image
Price: 0.0675 USD
Availability: InStock
Author: OpenAI

25% OFFopenai/gpt-image-2.5-sunburst

GPT Image 2.5 Sunburst prioritizes visual fidelity and precision for complex image generation workflows.

Use in agent Get API key

Base price: $0.07~~$0.09~~USD / run
Execution: sync
Model type: image
Input fields: 5

Production route

Try the model

Playground

Open playground

Input

Prompt(string)

The text prompt to generate an image from.

Quality(string)

Rendering quality. `xhigh` and `max` add detail at higher latency and cost. Allowed values: low, medium, high, xhigh, max.

Resolution(string)

The resolution of the generated image. Leave unset to preserve the provider's standard dimensions. Allowed values: 1k, 2k, 4k.

Aspect Ratio(string)

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.

Output Format(string)

The format of the generated image. Allowed values: jpeg, png, webp.

25% OFF

OutputExample

Open original

Examples

Select an example to load its inputs and result into the playground.

Model card

Specifications

Pricing

Base price: $0.07 / run

Context & modalities

Supported modes: sync, async
Input: Schema-defined
Output: image

Capabilities

Chat: Not supported
Vision: Not supported
Reasoning: Not supported
Structured output: Not supported
Function calling: Not supported
Audio input: Not supported

Access

Provider: OpenAI
Model ID: openai/gpt-image-2.5-sunburst
Execution: sync
Base URL: https://api.sandbase.ai
API: Unified Run API
Endpoint: /v1/run

Human preference

Arena

Elo ratings from blind side-by-side votes, compared with other image and video models.

Rankings sourced from Artificial Analysis Arena

Leaderboard: Text to Image
Rank: #1 of 102
Elo: 1220 ±10
Gap to #1: Leader

Text-to-image arena: people pick the better of two images generated from the same prompt, without seeing the model names.

#1GPT Image 2.5 Sunburst (max)OpenAIThis model1220±10
#2GPT Image 2.5 Flare (max)OpenAIOn SandBase1207±10
#3GPT Image 2 (high)OpenAIOn SandBase1186±12
#4Nano Banana 2.1Google1174±12
#5Grok Imagine Image 2.0SpaceXAIOn SandBase1167±13
#6MAI-Image-2.6Microsoft AI1166±12
#7Nano Banana 2 (Gemini 3.1 Flash Image)GoogleOn SandBase1140±10
#8Muse ImageMeta1127±12
#9GPT Image 1.5 (high)OpenAIOn SandBase1123±11
#10MAI-Image-2.6-FlashMicrosoft AI1119±12

API README

GPT Image 2.5 Sunburst Text to Image

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.

Fields

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.

Billing

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.

Prompting

Write the prompt as a full brief; quote any text that must appear.
Draft at low or medium, then rerun at high.

Limits

One image per request.

Also on SandBase

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

Send your first request

OpenAI-compatible endpoint with unified authentication and usage tracking.

Production API

Unified Run API endpoint

https://api.sandbase.ai/v1/run

Model ID

openai/gpt-image-2.5-sunburst

# 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"

Choose your model

Compare models

All image & video models

Model	Type	Default price	Released
GPT Image 2.5 Sunburst Text to ImageThis model `OpenAI`	Image	$0.09 / run	Aug 20, 2026
GPT Image 2.5 Flare Text to Image `OpenAI`	Image	$0.09 / run	Aug 20, 2026
GPT Image 2.5 Flare Edit `OpenAI`	Image	$0.10 / run	Aug 20, 2026
GPT Image 2.5 Sunburst Edit `OpenAI`	Image	$0.10 / run	Aug 20, 2026
GPT Image 2 Text to Image `OpenAI`	Image	$0.22 / run	Apr 21, 2026
GPT Image 2 Edit `OpenAI`	Image	$0.23 / run	Apr 21, 2026

Questions

FAQ

How do I call OpenAI GPT Image 2.5 Sunburst Text to Image through SandBase?

Create a SandBase API key, then send requests with the model ID "openai/gpt-image-2.5-sunburst" to Unified Run API (/v1/run) at https://api.sandbase.ai. The request examples on this page show the exact payload.

Do I need a separate OpenAI account?

No. One SandBase API key and balance gives you access to OpenAI GPT Image 2.5 Sunburst Text to Image and the other models in the catalog; you do not need to sign up with OpenAI separately.