kitio.aiStable Diffusion WebUI Forge vs IOPaint
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Stable Diffusion WebUI Forge starts at Free and IOPaint starts at Free. Check both pricing pages for current plans.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Lower VRAM use
- FLUX support
- Built-in ControlNet
- A1111 extension support
- One-click Windows package
- Object and watermark removal
- Multiple inpainting models
- Prompt-based replacement
- Outpainting
- Plugins
| Feature | Stable Diffusion WebUI Forge | IOPaint |
|---|---|---|
| Best for | Faster fork of the AUTOMATIC1111 interface with newer model support | Free self-hosted inpainting tool for removing objects from images |
| Category | Image | Image |
| Pricing model | Free | Free |
| Starting price | Free | Free |
| Free plan | Yes, fully free | Yes, fully free |
| Made by | lllyasviel | Sanster |
| Based in | – | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Stable Diffusion WebUI Forge starts at Free and IOPaint starts at Free. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
Plans
Everything
$0
100% free to use. No paid plans to pick between.
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 WebUI Forge
- Faster than the original UI
- Runs on smaller GPUs
- Familiar interface
- Some extensions incompatible
- Update cadence is irregular
- Still needs local setup
IOPaint
- Free and private
- Several fill models
- Runs on CPU too
- Needs local install
- Basic interface
- Slow on CPU for big images
Which one should you choose?
Choose Stable Diffusion WebUI Forge if you want:
- Faster than the original UI
- Runs on smaller GPUs
- Familiar interface
Watch out: some extensions incompatible.
Choose IOPaint if you want:
- Free and private
- Several fill models
- Runs on CPU too
Watch out: needs local install.
Stable Diffusion WebUI Forge vs IOPaint FAQ
What is the difference between Stable Diffusion WebUI Forge and IOPaint?
Stable Diffusion WebUI Forge: Faster fork of the AUTOMATIC1111 interface with newer model support. IOPaint: Free self-hosted inpainting tool for removing objects from images. Both are image tools.
Is Stable Diffusion WebUI Forge or IOPaint cheaper?
Stable Diffusion WebUI Forge starts at Free and IOPaint starts at Free. Check both pricing pages for current plans.
Do Stable Diffusion WebUI Forge and IOPaint have free plans?
Stable Diffusion WebUI Forge: Yes, fully free. IOPaint: Yes, fully free.
Who makes Stable Diffusion WebUI Forge?
Stable Diffusion WebUI Forge is made by lllyasviel.
Who makes IOPaint?
IOPaint is made by Sanster.
Which should I choose, Stable Diffusion WebUI Forge or IOPaint?
Choose Stable Diffusion WebUI Forge if you value faster than the original ui and runs on smaller gpus. Choose IOPaint if you value free and private and several fill models.