kitio.aiInvokeAI vs Stable Diffusion WebUI Forge
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. InvokeAI starts at Free and Stable Diffusion WebUI Forge 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
- Unified canvas with layers
- Regional prompting
- Node workflow editor
- Model manager
- Control layers
- Lower VRAM use
- FLUX support
- Built-in ControlNet
- A1111 extension support
- One-click Windows package
| Feature | InvokeAI | Stable Diffusion WebUI Forge |
|---|---|---|
| Best for | Open-source image studio with a layered canvas and node workflows | Faster fork of the AUTOMATIC1111 interface with newer model support |
| Category | Image | Image |
| Pricing model | Free | Free |
| Starting price | Free | Free |
| Free plan | Yes, fully free | Yes, fully free |
| Made by | Invoke community | lllyasviel |
| Based in | – | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
InvokeAI starts at Free and Stable Diffusion WebUI Forge 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
InvokeAI
- Polished artist-friendly canvas
- Free and local
- Supports newer models
- Hosted version no longer offered
- Needs a capable GPU
- Smaller extension ecosystem
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
Which one should you choose?
Choose InvokeAI if you want:
- Polished artist-friendly canvas
- Free and local
- Supports newer models
Watch out: hosted version no longer offered.
Choose Stable Diffusion WebUI Forge if you want:
- Faster than the original UI
- Runs on smaller GPUs
- Familiar interface
Watch out: some extensions incompatible.
InvokeAI vs Stable Diffusion WebUI Forge FAQ
What is the difference between InvokeAI and Stable Diffusion WebUI Forge?
InvokeAI: Open-source image studio with a layered canvas and node workflows. Stable Diffusion WebUI Forge: Faster fork of the AUTOMATIC1111 interface with newer model support. Both are image tools.
Is InvokeAI or Stable Diffusion WebUI Forge cheaper?
InvokeAI starts at Free and Stable Diffusion WebUI Forge starts at Free. Check both pricing pages for current plans.
Do InvokeAI and Stable Diffusion WebUI Forge have free plans?
InvokeAI: Yes, fully free. Stable Diffusion WebUI Forge: Yes, fully free.
Who makes InvokeAI?
InvokeAI is made by Invoke community.
Who makes Stable Diffusion WebUI Forge?
Stable Diffusion WebUI Forge is made by lllyasviel.
Which should I choose, InvokeAI or Stable Diffusion WebUI Forge?
Choose InvokeAI if you value polished artist-friendly canvas and free and local. Choose Stable Diffusion WebUI Forge if you value faster than the original ui and runs on smaller gpus.