GPT Image 2.5 Sunburst API

GPT Image 2.5 Sunburst is an image generation and image editing model by OpenAI, available on the Venice API as gpt-image-2-5-sunburst. Requests are anonymized, so the provider never sees your identity.

GPT Image 2.5 Sunburst API pricing

Model ID	Variant	Privacy	Price
`gpt-image-2-5-sunburst`	Generate	Anonymized	$0.07 per image
`gpt-image-2-5-sunburst-edit`	Edit	Anonymized	$0.08 per edit

GPT Image 2.5 Sunburst specifications

Spec	Value
Provider	OpenAI
Released	Sep 8, 2026
Privacy	Anonymized
Resolutions	1K, 2K, 4K
Aspect ratios	1:1, 3:2, 16:9, 21:9, 9:16, 2:3, 3:4, 4:5
Prompt limit	10,000 characters

How to use the GPT Image 2.5 Sunburst API

Send requests to POST https://api.venice.ai/api/v1/image/generate with "model": "gpt-image-2-5-sunburst" and your API key.

curl https://api.venice.ai/api/v1/image/generate \
  -H "Authorization: Bearer $VENICE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gpt-image-2-5-sunburst",
    "prompt": "A retro travel poster with the bold headline \"VENICE\" in large condensed serif type, sunset color palette",
    "resolution": "1K",
    "aspect_ratio": "1:1"
  }'

GPT Image 2.5 Sunburst API FAQ

How much does the GPT Image 2.5 Sunburst API cost?

0.07 at 1K,

0.15 at 2K and

0.23 at 4K per image. Editing costs

0.08 per edit. Prices are in USD and can be paid in DIEM at parity.

What is the GPT Image 2.5 Sunburst model ID?

Use gpt-image-2-5-sunburst as the model parameter. Other variants: gpt-image-2-5-sunburst-edit (Edit).

Is the GPT Image 2.5 Sunburst API private?

GPT Image 2.5 Sunburst is anonymized: Venice forwards requests to the provider without your identity, but the provider may retain prompt data, so use a private model for sensitive work.

What resolutions does GPT Image 2.5 Sunburst support?

Resolutions: 1K, 2K, 4K. Aspect ratios: 1:1, 3:2, 16:9, 21:9, 9:16, 2:3, 3:4, 4:5. Prompts up to 10,000 characters.

Which endpoint does the GPT Image 2.5 Sunburst API use?

Call POST /image/generate. /images/generations is also supported.

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