AI Rate Card

OpenAI: GPT Image 2.5 Sunburst · fastrouter

GPT Image 2.5 Sunburst is OpenAI's high-fidelity text-to-image generation and editing model, offering an extra level of precision for detailed creative work at the cost of longer generation times than Flare. It shares Images 2.5's improvements in reference fidelity, precise edits, and multi-turn consistency, with sharper detail, more natural lighting, richer textures, and better handling of complex layouts and transparent backgrounds. Recommended for premium visual workflows like production-ready campaign creative or polished product imagery.

Base modelAll models on this baseAll models of the providerto the provider

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Input, $/1M $8.00

Output, $/1M $30.00

Cache read $2.00

Cache write —

Context 128 000

Max output 4 096

Accepts images, text

Last checked 04.11.2026 12:00:14 UTC

Source provider's page

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API

OpenAI-compatible API: the official OpenAI SDKs work with this base URL. Replace YOUR_API_KEY with your key from the provider.

API base URL
https://go.fastrouter.ai/api/v1
Endpoint
https://go.fastrouter.ai/api/v1/images/generations
Model id
openai/gpt-image-2.5-sunburst
curl
curl https://go.fastrouter.ai/api/v1/images/generations \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "openai/gpt-image-2.5-sunburst", "prompt": "a lighthouse at sunset", "n": 1, "size": "1024x1024"}'
Python
import requests

r = requests.post(
    "https://go.fastrouter.ai/api/v1/images/generations",
    headers={"Authorization": "Bearer YOUR_API_KEY"},
    json={
      "model": "openai/gpt-image-2.5-sunburst",
      "prompt": "a lighthouse at sunset",
      "n": 1,
      "size": "1024x1024"
    },
)
print(r.json())
JavaScript
const r = await fetch("https://go.fastrouter.ai/api/v1/images/generations", {
  method: "POST",
  headers: {Authorization: "Bearer YOUR_API_KEY", "Content-Type": "application/json"},
  body: JSON.stringify({
    "model": "openai/gpt-image-2.5-sunburst",
    "prompt": "a lighthouse at sunset",
    "n": 1,
    "size": "1024x1024"
  }),
});
console.log(await r.json());
Request (JSON)
{
  "model": "openai/gpt-image-2.5-sunburst",
  "prompt": "a lighthouse at sunset",
  "n": 1,
  "size": "1024x1024"
}
Response (JSON)
{
  "created": 1760000000,
  "data": [
    {
      "url": "https://...",
      "b64_json": null
    }
  ]
}

The address is taken from the provider's model list; check it against the provider's documentation.

Provider's API documentation

Source: AI Rate Card, https://airatecard.com/en/c/offer%3Afastrouter%7Copenai/gpt-image-2.5-sunburst, prices checked 2026-11-04; seller's page: https://fastrouter.ai/models/openai/gpt-image-2.5-sunburst

Technical details

ID: offer:fastrouter|openai/gpt-image-2.5-sunburst