AI image model comparison
GPT Image 2.5 Sunburst vs Seedream 4.5
Image quality, cost per image, and editing features compared side by side. Or skip the guesswork and generate with both.
OpenAI
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.
- Per image
- Not available
- Output / 1M
- $30
- Image Elo
- Not available
ByteDance Seed
Seedream 4.5
Seedream 4.5 is the latest in-house image generation model developed by ByteDance.
- Per image
- $0.04
- Output / 1M
- $9.58
- Image Elo
- Not available
At a glance
Quick verdict
Which model wins on the things that matter most when you're making images.
Cheaper per image
Not available
Only one lists a per-image price
Better image quality
Not available
Not enough arena data
Better at editing
Not available
Not enough arena data
Newer release
GPT Image 2.5 Sunburst
Released September 9, 2026
Pricing
GPT Image 2.5 Sunburst vs Seedream 4.5 price per image
What each image actually costs, plus the underlying API rates. Cheaper option highlighted.
| Metric | GPT Image 2.5 Sunburst | |
|---|---|---|
| Cost per imageEstimated, ~1 megapixel (1024×1024) | Not available | $0.04 |
| Image outputPer 1M image tokens | $30 | $9.58 |
| Tokens per imageHow many image tokens one ~1MP image uses | Not available | 4,175 |
| Prompt textPer 1M input tokens | $8 | Included |
What it costs in practice
Estimated totals at standard resolution.
Single image
1 image
GPT Image 2.5 SunburstNot availableSocial media batch
50 images
GPT Image 2.5 SunburstNot availableProduct catalog
1,000 images
GPT Image 2.5 SunburstNot availableSpecs
Inputs, outputs, and limits
What each model accepts, what it gives back, and how long your prompt can be.
| Metric | GPT Image 2.5 Sunburst | |
|---|---|---|
| Accepts | Image, Text | Image, Text |
| Produces | Image | Image |
| Max prompt lengthText plus reference images | 400K tokens | 4K tokens |
| Reasoning step | No | No |
| Release date | September 9, 2026 | December 23, 2025 |
Features
Supported features
Creative controls available for each model.
| Metric | GPT Image 2.5 Sunburst | |
|---|---|---|
| Image editingAccepts reference or source images | Supported | Supported |
| Text alongside imagesCan explain or caption what it made | Not supported | Not supported |
| Thinks before drawingPlans the image with a reasoning step | Not supported | Not supported |
| Reproducible seedsSame seed, same image | Supported | Not supported |
| Temperature controlTrade consistency for variety | Not supported | Supported |
Keep exploring
More on these models
Other head-to-heads, the full model page, and the alternatives list for each model.
GPT Image 2.5 SunburstView full model details- GPT Image 2.5 Sunburst vs Nano Banana 2
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- GPT Image 2.5 Sunburst vs GPT Image 2.5 Flare
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- GPT Image 2.5 Sunburst vs Hy Image 3.5 Preview
- GPT Image 2.5 Sunburst vs GPT-5 Image Mini
- GPT Image 2.5 Sunburst vs GPT-5 Image
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- GPT Image 2.5 Sunburst vs GPT Image 1
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- Seedream 4.5 vs Nano Banana 2
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- Seedream 4.5 vs Nano Banana 2 Lite
- Seedream 4.5 vs Muse Image
- Seedream 4.5 vs GPT-5.4 Image 2
- Seedream 4.5 vs GPT Image 2
- Seedream 4.5 vs Seedream 5.0 Flash
- Seedream 4.5 vs Nano Banana Pro
- Seedream 4.5 vs Ming Image 0.1 Design
- Seedream 4.5 vs Seedream 5.0 Pro
- Seedream 4.5 vs FLUX.2 Pro
- Seedream 4.5 vs Grok Imagine Image 2.0
- Seedream 4.5 vs Seedream 5.0 Lite
- Seedream 4.5 vs FLUX.2 Klein 4B
- Seedream 4.5 vs Recraft V4.1 Flash
- Seedream 4.5 vs FLUX.3 Image
- Seedream 4.5 vs Grok Imagine Image Quality
- Seedream 4.5 vs Qwen Image 3
- Seedream 4.5 vs FLUX.2 Max
- Seedream 4.5 vs MAI-Image-2.6 Flash
- Seedream 4.5 vs Riverflow V2.5 Pro
- Seedream 4.5 vs MAI-Image-2.6
- Seedream 4.5 vs FLUX.2 Flex
FAQ
Frequently asked questions
Can GPT Image 2.5 Sunburst and Seedream 4.5 edit existing images?
Yes. Both accept reference images, so you can upload a photo and ask for changes like a new background, different lighting, or added text.
Can I use GPT Image 2.5 Sunburst and Seedream 4.5 at the same time?
Yes. Shortcut Chat sends one prompt to multiple image models at once, so you can see GPT Image 2.5 Sunburst and Seedream 4.5 results side by side and keep the one you like.
Why choose? Generate with both.
Send one prompt to GPT Image 2.5 Sunburst and Seedream 4.5 at the same time. See both images side by side and keep the one you like.