kitio.aiStable Diffusion web UI vs Stablecog
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Stable Diffusion web UI is completely free, while Stablecog is freemium.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Text-to-image and img2img
- Inpainting
- Extensions ecosystem
- Upscaling
- Prompt matrix and X/Y plots
- Text to image
- Image to image
- Stable Diffusion, FLUX, Kandinsky
- Multilingual prompts
- Public gallery
- Credit top-ups
| Feature | Stable Diffusion web UI | Stablecog |
|---|---|---|
| Best for | Popular open-source browser interface for local Stable Diffusion | Open-source AI image generator with Stable Diffusion, FLUX and Kandinsky |
| Category | Image | Image |
| Pricing model | Free | Freemium |
| Starting price | Free | $10/mo |
| Free plan | Yes, fully free | Yes |
| Made by | AUTOMATIC1111 | Stablecog, Inc. |
| Based in | – | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Stable Diffusion web UI is completely free, while Stablecog is freemium.
Free plan
Cheapest paid plan
Top plan
Free trial
4 plans
Free
Free
- 20 images per day
- Slow generation
- Personal use only
Starter
$10/mo
- 2,000 images per month
- Commercial use
- Private images
Pro
$25/mo
- 6,000 images per month
- 3 parallel generations
Ultimate
$50/mo
- 12,000 images per month
- 4 parallel generations
Prices in USD, checked Oct 28, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Stable Diffusion web UI
- Free and fully local
- Huge extension library
- Familiar tab layout
- Slow to support new models
- Setup needs some tech skill
- Development has slowed
Stablecog
- Open-source project
- 20 free images a day
- Commercial use from $10 a month
- Free tier is slow and personal-use only
- Credits don't roll over
- Fewer editing tools than larger apps
Which one should you choose?
Choose Stable Diffusion web UI if you want:
- Free and fully local
- Huge extension library
- Familiar tab layout
Watch out: slow to support new models.
Choose Stablecog if you want:
- Open-source project
- 20 free images a day
- Commercial use from $10 a month
Watch out: free tier is slow and personal-use only.
Stable Diffusion web UI vs Stablecog FAQ
What is the difference between Stable Diffusion web UI and Stablecog?
Stable Diffusion web UI: Popular open-source browser interface for local Stable Diffusion. Stablecog: Open-source AI image generator with Stable Diffusion, FLUX and Kandinsky. Both are image tools.
Is Stable Diffusion web UI or Stablecog cheaper?
Stable Diffusion web UI is completely free, while Stablecog is freemium.
Do Stable Diffusion web UI and Stablecog have free plans?
Stable Diffusion web UI: Yes, fully free. Stablecog: Yes.
Who makes Stable Diffusion web UI?
Stable Diffusion web UI is made by AUTOMATIC1111.
Who makes Stablecog?
Stablecog is made by Stablecog, Inc..
Which should I choose, Stable Diffusion web UI or Stablecog?
Choose Stable Diffusion web UI if you value free and fully local and huge extension library. Choose Stablecog if you value open-source project and 20 free images a day.