AI Rate Card

OpenAI: GPT Image 1.5 · fastrouter

OpenAI’s gpt-image-1.5 is a next‑generation image generation and editing model designed to create production‑quality visuals from text prompts and to edit existing images with fine control.

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

Input, $/1M $8.00

Output, $/1M $32.00

Cache read $2.00

Cache write —

Context 128 000

Max output 4 096

Accepts 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-1.5
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-1.5", "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-1.5",
      "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-1.5",
    "prompt": "a lighthouse at sunset",
    "n": 1,
    "size": "1024x1024"
  }),
});
console.log(await r.json());
Request (JSON)
{
  "model": "openai/gpt-image-1.5",
  "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-1.5, prices checked 2026-11-04; seller's page: https://fastrouter.ai/models/openai/gpt-image-1.5

Technical details

ID: offer:fastrouter|openai/gpt-image-1.5