AI image model comparison
FLUX 3 Image Klein vs Seedream 4.5
Image quality, cost per image, and editing features compared side by side. Or skip the guesswork and generate with both.
FLUX 3 Image Klein is an open-weights image generation and editing model from Black Forest Labs.
- Per image
- $0.008
- Output / 1M
- $1.92
- Image Elo
- Not available
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
Comparing chat or coding models? Compare text models
At a glance
Quick verdict
Which model wins on the things that matter most when you're making images.
Cheaper per image
FLUX 3 Image Klein
$0.008 vs $0.04, 5.0x cheaper
Better image quality
Not available
Not enough arena data
Better at editing
Not available
Not enough arena data
Newer release
FLUX 3 Image Klein
Released October 15, 2026
Pricing
FLUX 3 Image Klein vs Seedream 4.5 price per image
What each image actually costs, plus the underlying API rates. Cheaper option highlighted.
| Metric | ||
|---|---|---|
| Cost per imageEstimated, ~1 megapixel (1024×1024) | $0.008 | $0.04 |
| Image outputPer 1M image tokens | $1.92 | $9.58 |
| Tokens per imageHow many image tokens one ~1MP image uses | 4,175 | 4,175 |
| Prompt textPer 1M input tokens | Included | Included |
What it costs in practice
Estimated totals at standard resolution.
Single image
1 image
Social media batch
50 images
Product catalog
1,000 images
Specs
Inputs, outputs, and limits
What each model accepts, what it gives back, and how long your prompt can be.
| Metric | ||
|---|---|---|
| Accepts | Image, Text | Image, Text |
| Produces | Image | Image |
| Max prompt lengthText plus reference images | 47K tokens | 4K tokens |
| Reasoning step | No | No |
| Release date | October 15, 2026 | December 23, 2025 |
Features
Supported features
Creative controls available for each model.
| Metric | ||
|---|---|---|
| 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.
- FLUX 3 Image Klein vs Nano Banana 2
- FLUX 3 Image Klein vs Seedream 5.0 Flash
- FLUX 3 Image Klein vs Nano Banana
- FLUX 3 Image Klein vs Muse Image
- FLUX 3 Image Klein vs FLUX.2 Pro
- FLUX 3 Image Klein vs Recraft V4.1 Flash
- FLUX 3 Image Klein vs FLUX.2 Klein 4B
- FLUX 3 Image Klein vs FLUX 3 Image
- FLUX 3 Image Klein vs Qwen Image 3
- Seedream 4.5 vs Nano Banana 2
- Seedream 4.5 vs GPT Image 2.5 Sunburst
- Seedream 4.5 vs Seedream 5.0 Flash
- Seedream 4.5 vs GPT Image 2
- Seedream 4.5 vs Nano Banana
- Seedream 4.5 vs GPT-5.4 Image 2
- Seedream 4.5 vs Hy Image 3.5 Preview
- Seedream 4.5 vs Muse Image
- Seedream 4.5 vs Nano Banana Pro
- 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 Recraft V4.1 Flash
- Seedream 4.5 vs FLUX.2 Klein 4B
- Seedream 4.5 vs Seedream 5.0 Lite
- Seedream 4.5 vs Grok Imagine Image Quality
- Seedream 4.5 vs FLUX 3 Image
- Seedream 4.5 vs Qwen Image 3
- Seedream 4.5 vs FLUX.2 Max
- Seedream 4.5 vs Riverflow V2.5 Pro
- Seedream 4.5 vs FLUX.2 Flex
Our take
FLUX 3 Image Klein is 5.0x 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 FLUX 3 Image Klein or Seedream 4.5 cheaper?
FLUX 3 Image Klein is cheaper at about $0.008 per standard image, compared with $0.04 for Seedream 4.5. For 1,000 images that is $8 versus $40.
Can FLUX 3 Image Klein 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 FLUX 3 Image Klein and Seedream 4.5 at the same time?
Yes. Shortcut Chat sends one prompt to multiple image models at once, so you can see FLUX 3 Image Klein and Seedream 4.5 results side by side and keep the one you like.
Why choose? Generate with both.
Send one prompt to FLUX 3 Image Klein and Seedream 4.5 at the same time. See both images side by side and keep the one you like.