AI image model comparison
Nano Banana Pro vs Seedream 4.5
Image quality, cost per image, and editing features compared side by side. Or skip the guesswork and generate with both.
Nano Banana Pro is Google’s most advanced image-generation and editing model, built on Gemini 3 Pro.
- Per image
- $0.13
- Output / 1M
- $120
- Image Elo
- 1244
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
Seedream 4.5
$0.04 vs $0.13, 3.4x cheaper
Better image quality
Not available
Not enough arena data
Better at editing
Not available
Only one editing score is available
Newer release
Nano Banana Pro
Released June 18, 2026
Quality
Image quality rankings
Elo ratings from Design Arena, where people vote between two anonymous images made from the same prompt. Higher is better.
Image generation
Nano Banana Pro#5 · 62.1% wins1244Image editing
Nano Banana Pro#4 · 66% wins1252Graphic design
Nano Banana Pro#5 · 65.8% wins1250Logos
Nano Banana Pro#6 · 61% wins1240Pricing
Nano Banana Pro vs Seedream 4.5 price per image
What each image actually costs, plus the underlying API rates. Cheaper option highlighted.
| Metric | Nano Banana Pro | |
|---|---|---|
| Cost per imageEstimated, ~1 megapixel (1024×1024) | $0.13 | $0.04 |
| Image outputPer 1M image tokens | $120 | $9.58 |
| Tokens per imageHow many image tokens one ~1MP image uses | 1,120 | 4,175 |
| Prompt textPer 1M input tokens | $2 | Included |
| Reference imagesPer 1M input image tokens | $2 | Included |
What it costs in practice
Estimated totals at standard resolution.
Single image
1 image
Nano Banana Pro$0.13Social media batch
50 images
Nano Banana Pro$6.72Product catalog
1,000 images
Nano Banana Pro$134.40Specs
Inputs, outputs, and limits
What each model accepts, what it gives back, and how long your prompt can be.
| Metric | Nano Banana Pro | |
|---|---|---|
| Accepts | Image, Text | Image, Text |
| Produces | Image, Text | Image |
| Max prompt lengthText plus reference images | 131K tokens | 4K tokens |
| Reasoning step | Always on | No |
| Release date | June 18, 2026 | December 23, 2025 |
Features
Supported features
Creative controls available for each model.
| Metric | Nano Banana Pro | |
|---|---|---|
| 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 | Supported | Supported |
Keep exploring
More on these models
Other head-to-heads, the full model page, and the alternatives list for each model.
Nano Banana ProView full model details- Nano Banana Pro vs Riverflow V2.5 Pro
- Nano Banana Pro vs MAI-Image-2.6
- Nano Banana Pro vs MAI-Image-2.6 Flash
- Nano Banana Pro vs Nano Banana 2
- Nano Banana Pro vs MAI-Image-2.5
- Nano Banana Pro vs FLUX.2 Flex
- Nano Banana Pro vs FLUX.2 Pro
- Nano Banana Pro vs Nano Banana
- Nano Banana Pro vs Seedream 5.0 Pro
- Nano Banana Pro vs Grok Imagine Image 2.0
- Nano Banana Pro vs FLUX.3 Image
- Nano Banana Pro vs Grok Imagine Image Quality
- Nano Banana Pro vs FLUX.2 Max
- Seedream 4.5 vs GPT Image 2.5 Sunburst
- Seedream 4.5 vs Nano Banana 2
- Seedream 4.5 vs Nano Banana
- 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 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
Our take
Seedream 4.5 is 3.4x cheaper per image. The right pick depends on your workload, so the quickest way to settle it is to send the same prompt to both and compare.
FAQ
Frequently asked questions
Is Nano Banana Pro or Seedream 4.5 cheaper?
Seedream 4.5 is cheaper at about $0.04 per standard image, compared with $0.13 for Nano Banana Pro. For 1,000 images that is $40 versus $134.40.
Can Nano Banana Pro 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 Nano Banana Pro and Seedream 4.5 at the same time?
Yes. Shortcut Chat sends one prompt to multiple image models at once, so you can see Nano Banana Pro and Seedream 4.5 results side by side and keep the one you like.
Why choose? Generate with both.
Send one prompt to Nano Banana Pro and Seedream 4.5 at the same time. See both images side by side and keep the one you like.