GPT Image 2.5 Sunburst
by OpenAIopenai/gpt-image-2.5-sunburst
GPT Image 2.5 Sunburst at a glance
- Maximum output
- 360,000 tokens
- Accepts
- Text, Image
- Returns
- Image
- Features
- Image input
- Released
- 9 Sep 2026
- Knowledge cutoff
- Not published
Model facts synced from the OpenRouter model list on 21 Oct 2026.
GPT Image 2.5 Sunburst pricing by route
A route is the service LLMCompare calls to reach the model. GPT Image 2.5 Sunburst has 2 routes. Prices are in US dollars.
| Route | On LLMCompare | Inputper 1M tokens | Outputper 1M tokens | Cache readper 1M tokens | Image outputper 1M image tokens | Price verified on | Source |
|---|---|---|---|---|---|---|---|
| OpenAI (direct)Default | Runnable now | $8.00 | $8.00 | $2.00 | $30.00 | openai.com/api/pricing | |
| OpenRouter | Not configured | $8.00 | $8.00 | $2.00 | $30.00 | openrouter.ai/openai/gpt-image-2.5-sunburst |
The cost shown in an LLMCompare report is calculated from these prices as they were at the time of the run.
Cost calculator
Estimate what a batch of calls to GPT Image 2.5 Sunburst costs. The starting numbers are examples. Change them to match your task.
The provider reports this number for each image. It depends on size and quality.
- Cost per call
- $0.0316
- 38 credits
- Cost of 10 calls
- $0.316
- 380 credits
Calculated from the OpenAI (direct) prices verified on 30 Sep 2026. Credits are the cost plus a 20% service fee, at $0.001 per credit, rounded up for each call, with a minimum of 1 per call. A real run is charged for the usage the provider reports.
Parameters you can set
The routes accept different parameters. The last columns show what each route accepts.
| Parameter | Type | Range or options | Default | OpenAI (direct) | OpenRouter |
|---|---|---|---|---|---|
size | One of | 1024x10241536x10241024x15362048x2048 | Provider default | Accepted | Accepted |
quality | One of | lowmediumhighauto | Provider default | Accepted | Not on this route |
aspect_ratio | One of | 1:13:22:34:33:416:99:16 | Provider default | Not on this route | Accepted |
About GPT Image 2.5 Sunburst
GPT Image 2.5 Sunburst is an image generation and editing model from OpenAI, positioned as the precision-oriented tier of the GPT Image 2.5 series. It is suited to detailed creative...
Description as published for this model. LLMCompare has not edited it.
Models to compare with GPT Image 2.5 Sunburst
Image models from the same provider and models at the nearest price. The order is not a ranking.
| Add to comparison | Model | Input priceper 1M tokens | Image priceunit under each price | Accepts | Released | On LLMCompare |
|---|---|---|---|---|---|---|
GPT Image 2.5 FlareOpenAIopenai/gpt-image-2.5-flare | $8.00 | $30.00per 1M image tokens | Text, Image | Runnable now | ||
GPT Image 2OpenAIopenai/gpt-image-2 | $8.00 | $30.00per 1M image tokens | Text, Image | Runnable now | ||
GPT-5.4 Image 2OpenAIopenai/gpt-5.4-image-2 | $8.00 | $30.00per 1M image tokens | Text, Image, File | No route yet | ||
Nano Banana 2.1Googlegoogle/gemini-nano-banana-2.1 | $1.50 | $30.00per 1M image tokens | Text, Image | No route yet | ||
Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image)Googlegoogle/gemini-3.1-flash-lite-image | $0.25 | $30.00per 1M image tokens | Text, Image | Runnable now | ||
Nano Banana (Gemini 2.5 Flash Image)Googlegoogle/gemini-2.5-flash-image | $0.30 | $30.00per 1M image tokens | Text, Image | No route yet |
Questions about GPT Image 2.5 Sunburst
- How much does GPT Image 2.5 Sunburst cost?
- On the OpenAI (direct) route, GPT Image 2.5 Sunburst costs $30.00 per 1M image tokens, in US dollars. LLMCompare verified this price on 30 Sep 2026.
- What inputs does GPT Image 2.5 Sunburst accept?
- GPT Image 2.5 Sunburst accepts these inputs: Text, Image. GPT Image 2.5 Sunburst returns: Image.
- Can I test GPT Image 2.5 Sunburst on my own data?
- Yes. LLMCompare can run GPT Image 2.5 Sunburst now. You add your own test cases, select GPT Image 2.5 Sunburst and the models you want to compare it with, and LLMCompare records every output with its cost and response time.