Check GPT Image 2.5 Sunburst availability, inputs, parameters, file requirements, credit pricing, and request examples for Rivya Public API v1. Model ID: gpt-image-2-5-sunburst.

Available via APIText or URL ready; reference modes use Files APIImage

API model ID

gpt-image-2-5-sunburst

Inputs

text, file

Files API

Required for reference modes

Credit pricing

Credit rate: 3–16 per image The final cost is rounded up to whole credits.

Capability

Image

Billing

FIXED

Prompt limit

20000 characters

Request fields

Set model at the top level. Put model-specific controls and reference inputs in params, using the format documented for this model.

Key	Type	Required	Default	Description
model	string	Yes	gpt-image-2-5-sunburst	Set model to gpt-image-2-5-sunburst.
prompt	string	Yes	-	Maximum 20000 characters for this model.
params	object	No	-	The model-specific params object. Use the documented keys and reference-file format for this model.
client_request_id	string	No	-	Optional ID for tracing this request in your system. It does not replace Idempotency-Key.

Model parameters

Key	Type	Required	Default	Range	Options	Description
aspect_ratio	select	No	auto	-	auto, 1:1, 3:2, 2:3, 4:3, 3:4, 16:9, 9:16, 21:9, 27:16, 16:27, 9:8, 8:9	Aspect ratio
resolution	select	No	1K	-	1K, 2K, 4K	Resolution
background	select	No	auto	-	auto, transparent, opaque	Background

Upload policy

Upload reference files through Files API first. Keep the original URLs, verified metadata, and tokens. Follow this model's request example: some models use params.referenceMediaItems, while others use different fields.

Reference rule

Reference images: For an editing request, add up to 16 JPEG, PNG, or WebP images. Each file is limited to 10 MiB by the server upload policy.

Max files

Accepted file kinds

image

Duration token

When duration verification is required, use duration_token from /api/v1/files as durationToken in the request. Keep any additional signed metadata this model requires.

kind	Max size	MIME types
image	10 MB	image/jpeg, image/png, image/webp

Minimal request

{
  "model": "gpt-image-2-5-sunburst",
  "prompt": "A product bottle on a light gray background, lit softly from the left.",
  "params": {
    "aspect_ratio": "auto",
    "resolution": "1K",
    "background": "auto"
  }
}

Reference-file request

{
  "model": "gpt-image-2-5-sunburst",
  "prompt": "A product bottle on a light gray background, lit softly from the left.",
  "params": {
    "aspect_ratio": "auto",
    "resolution": "1K",
    "background": "auto",
    "referenceMediaItems": [
      {
        "url": "https://cdn.example.com/reference-image.png",
        "kind": "image",
        "name": "reference-image.png",
        "mimeType": "image/png"
      }
    ]
  }
}

Example response

An accepted generation request returns a task ID. Poll the status endpoint until the task succeeds or fails. A status request failure does not mean generation failed.

{
  "id": "task_gpt_image_2_5_sunburst_example",
  "status": "queued",
  "model": "gpt-image-2-5-sunburst",
  "reserved_credits": 3,
  "final_credits": 0,
  "settlement_status": "RESERVED",
  "created_at": "2026-05-11T00:00:00.000Z",
  "updated_at": "2026-05-11T00:00:00.000Z",
  "result": null,
  "error": null
}

Common errors

validation_failed, insufficient_credits, idempotency_conflict, rate_limited, not_found

Some modes require Files API reference uploads.

GPT Image 2.5 Sunburst API reference