GPT Image 2.6 - Unifically

Generate and edit images with GPT Image 2.6, OpenAI’s image model in two variants, released November 4, 2026. Try it in the browser: GPT Image 2.6 API playground. Flare is the fast tier for everyday generation and editing. Sunburst is the quality tier, with finer detail and closer adherence to your reference images, at longer generation times. Both take the same parameters and cost the same, so switching is a model id change. The request body is identical to GPT Image 2.5.

Models

openai/gpt-image-2.6-flare
openai/gpt-image-2.6-sunburst

Parameters

Parameter	Type	Required	Description
`prompt`	string	Yes	Text description of the image to generate. Max 5,000 characters
`aspect_ratio`	string	No	`1:1`, `2:3`, `3:2`, `3:4`, `4:3`, `4:5`, `5:4`, `9:16`, `16:9`, `9:21`, `21:9`, `1:2`, `2:1`, `1:3`, `3:1`. Default: `1:1`
`resolution`	string	No	`1K`, `2K`, `4K`. Default: `1K`
`image_urls`	array	No	Reference image URLs for image editing mode. Up to 16
`nsfw_check`	boolean	No	Check the prompt and input images for NSFW content before generating. Off unless set to `true`. Default: `false`

Pricing

Billed per image by output resolution, plus each reference image. The aspect ratio does not change the price, and Flare and Sunburst cost the same.

Resolution	Flare	Sunburst
1K	$0.039	$0.039
2K	$0.08	$0.08
4K	$0.132	$0.132

Each reference image adds $0.0075.

Example Request

curl -X POST https://api.unifically.com/v1/tasks \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -d '{
    "model": "openai/gpt-image-2.6-flare",
    "input": {
      "prompt": "A corner cafe on a rainy street at dusk with a gold window sign reading \"CORNER CAFE\"",
      "aspect_ratio": "2:3",
      "resolution": "2K"
    }
  }'

Editing With Reference Images

Pass image_urls to edit an existing image, place a product in a new scene, or combine several subjects into one shot. Sunburst holds reference detail more closely.

curl -X POST https://api.unifically.com/v1/tasks \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -d '{
    "model": "openai/gpt-image-2.6-sunburst",
    "input": {
      "prompt": "Place this mug on a wooden cafe table next to a sunny window, with a croissant beside it",
      "aspect_ratio": "3:2",
      "resolution": "2K",
      "image_urls": ["https://example.com/product.png"]
    }
  }'

Response

{
  "code": 200,
  "success": true,
  "data": {
    "task_id": "abc123def456",
    "status": "processing"
  }
}

Volume discounts are available for almost all models. Reach out at contact@unifically.com to discuss custom pricing.

​Models

​Parameters

​Pricing

​Example Request

​Editing With Reference Images

​Response

Models

Parameters

Pricing

Example Request

Editing With Reference Images

Response