AI image model comparison
GPT-5.4 Image 2 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-5.4 Image 2
[GPT-5.4](https://openrouter.ai/openai/gpt-5.4) Image 2 combines OpenAI's GPT-5.4 model with state-of-the-art image generation capabilities from GPT Image 2.
- 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-5.4 Image 2
Released April 21, 2026
Pricing
GPT-5.4 Image 2 vs Seedream 4.5 price per image
What each image actually costs, plus the underlying API rates. Cheaper option highlighted.
| Metric | GPT-5.4 Image 2 | |
|---|---|---|
| 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-5.4 Image 2Not availableSocial media batch
50 images
GPT-5.4 Image 2Not availableProduct catalog
1,000 images
GPT-5.4 Image 2Not availableSpecs
Inputs, outputs, and limits
What each model accepts, what it gives back, and how long your prompt can be.
| Metric | GPT-5.4 Image 2 | |
|---|---|---|
| Accepts | File, Image, Text | Image, Text |
| Produces | Image, Text | Image |
| Max prompt lengthText plus reference images | 272K tokens | 4K tokens |
| Reasoning step | Optional | No |
| Release date | April 21, 2026 | December 23, 2025 |
Features
Supported features
Creative controls available for each model.
| Metric | GPT-5.4 Image 2 | |
|---|---|---|
| Image editingAccepts reference or source images | Supported | Supported |
| Text alongside imagesCan explain or caption what it made | Supported | Not supported |
| Thinks before drawingPlans the image with a reasoning step | 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-5.4 Image 2View full model details- GPT-5.4 Image 2 vs GPT Image 2.5 Sunburst
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- Seedream 4.5 vs MAI-Image-2.6
- Seedream 4.5 vs FLUX.2 Flex
FAQ
Frequently asked questions
Can GPT-5.4 Image 2 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-5.4 Image 2 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-5.4 Image 2 and Seedream 4.5 results side by side and keep the one you like.
Why choose? Generate with both.
Send one prompt to GPT-5.4 Image 2 and Seedream 4.5 at the same time. See both images side by side and keep the one you like.