RealRelay.ai
OpenAI

gpt-image-2.5-sunburst

Our most capable model for image generation and editing

Starting at
Input
$5.00/ 1M
Output
$30.00/ 1M
Open dashboard

Channel

Each channel is compared at its lowest input-price tier; output breaks ties. A dash means /api/pricing does not provide that rate. Selecting a channel updates the endpoints and call example below.

openai/gpt-image-2.5-sunburst
Input
$5.00 USD per 1M tokens
Output
$30.00 USD per 1M tokens
Cache read
$2.00 USD per 1M tokens
Cache write
- USD per 1M tokens

Endpoints

POST/v1/images/generationsImage generation
POST/v1/chat/completionsChat Completions

Call it

Using openai/gpt-image-2.5-sunburst

1from openai import OpenAI23client = OpenAI(4    base_url="https://www.realrelay.ai/v1",5    api_key="sk-***",6)78image = client.images.generate(9    model="openai/gpt-image-2.5-sunburst",10    prompt="A quiet reading room at golden hour",11)1213print(image.data[0].url)
1import OpenAI from "openai";23const client = new OpenAI({4  baseURL: "https://www.realrelay.ai/v1",5  apiKey: process.env.REALRELAY_API_KEY,6});78const image = await client.images.generate({9  model: "openai/gpt-image-2.5-sunburst",10  prompt: "A quiet reading room at golden hour",11});1213console.log(image.data[0].url);
1curl https://www.realrelay.ai/v1/images/generations \2  -H "Authorization: Bearer $REALRELAY_API_KEY" \3  -H "Content-Type: application/json" \4  -d '{5    "model": "openai/gpt-image-2.5-sunburst",6    "prompt": "A quiet reading room at golden hour"7  }'

Prices and availability as published on Oct 4, 2026.

Capabilities

Input
TextImage
Output
Image