Media generation

GPT Image 2.5 Sunburst API pricing

Model IDgpt-image-2.5-sunburst

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Call summary

Per image

$0.50/ image

Output

Image

API Endpoints

GPT Image 2.5 Sunburst API endpoints

One API key — this model is served on the endpoint below.

POST/v1/images/generationsImage generation · Image models only

Image generation reference

Call GPT Image 2.5 Sunburst from your code

Your API key works on this endpoint.

Endpoint

/v1/images/generations

Model ID

gpt-image-2.5-sunburst

Request example

bash

curl -X POST \
  https://api.router.one/v1/images/generations \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -d '{
    "model": "gpt-image-2.5-sunburst",
    "prompt": "An orange kitten wearing an astronaut helmet"
  }'

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More GPT models on Router One

15 other GPT models on the same gateway and API key — each page lists endpoints and posted price.

GPT Image 2$0.50 per image GPT Image 2.5 Flare$0.50 per image Codex Auto Review$0.50 in / $3.00 out per 1M1.05M context GPT-5.6 Sol$0.50 in / $4.00 out per 1M1.05M context GPT-5.6 Terra$0.25 in / $1.50 out per 1M1.05M context GPT-6.1 Sol$0.40 in / $2.00 out per 1M1.05M context GPT-6 Astra$2.00 in / $10.00 out per 1M1.05M context GPT-6 Sol$0.40 in / $2.00 out per 1M1.05M context

7 channel versions

GPT-5.5 · Azure$3.75 in / $22.50 out per 1M1.05M context GPT-5.6 Luna · Azure$0.15 in / $0.90 out per 1M1.05M context GPT-5.6 Sol · Azure$3.00 in / $15.00 out per 1M1.05M context GPT-5.6 Terra · Azure$1.50 in / $9.00 out per 1M1.05M context GPT-6.1 Sol · Azure$1.50 in / $7.50 out per 1M1.05M context GPT-6 Astra · Azure$7.50 in / $37.50 out per 1M1.05M context GPT-6 Sol · Azure$1.50 in / $7.50 out per 1M1.05M context

GPT Image 2.5 Sunburst at a glance

GPT Image 2.5 Sunburst (model ID gpt-image-2.5-sunburst) is a GPT-series image model on Router One, billed per generated image at $0.50. No Router One subscription plan includes GPT Image 2.5 Sunburst today; every call bills the wallet at its posted rate. Accepts text; returns image. Endpoint: POST /v1/images/generations (Image generation). Token rates and context window do not apply.

The high-fidelity tier of the GPT Image 2.5 line, first seen 2026-09-11 (catalog release date 2026-09-08); gpt-image-2.5-flare is the fast tier of the same line.

GPT Image 2.5 Sunburst FAQ

How much does GPT Image 2.5 Sunburst cost on Router One?

GPT Image 2.5 Sunburst is billed per generated image on Router One: $0.50, pay as you go.

Is GPT Image 2.5 Sunburst included in Router One subscriptions?

No Router One subscription plan includes GPT Image 2.5 Sunburst today; every call bills the wallet at its posted rate.

Which endpoints serve GPT Image 2.5 Sunburst?

GPT Image 2.5 Sunburst is served on POST /v1/images/generations (Image generation). Any Router One API key works there.

Start using GPT Image 2.5 Sunburst

Create an API key and call GPT Image 2.5 Sunburst at $0.50 per image on Router One — pay as you go, with per-request cost and latency visibility.

Get API Key Plans & pay-as-you-go pricing Compare models side by side Quickstart guide Image generation API guide