AI Rate Card

OpenAI: GPT-image-1 · fastrouter

GPT-image-1 is OpenAI's latest multimodal image generation model, released in April 2025, and represents a significant advancement over previous models like DALL-E. It can generate high-resolution images—up to 4096×4096 pixels—from natural language prompts, with improved fidelity and consistency in handling complex scenes and detailed instructions. Key features include robust text-to-image generation, reliable text rendering within images, and advanced editing capabilities such as image-to-image transformation and inpainting, allowing users to upload and modify existing images using text prompts.

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Input, $/1M $10.00

Output, $/1M $40.00

Cache read $2.50

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

Technical details

ID: offer:fastrouter|openai/gpt-image-1