kitio.aiComfyUI vs Krita AI Diffusion
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Krita AI Diffusion is completely free, while ComfyUI is freemium.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Node graph editor
- Custom nodes ecosystem
- Shareable workflows
- Video and 3D support
- Comfy Cloud
- Selection inpainting
- Live painting mode
- Control layers
- Upscaling
- Regional prompts
| Feature | ComfyUI | Krita AI Diffusion |
|---|---|---|
| Best for | Node-based open-source interface for building image AI workflows | Free plugin that adds AI generation and inpainting to Krita |
| Category | Image | Image |
| Pricing model | Freemium | Free |
| Starting price | $20/mo | Free |
| Free plan | Yes | Yes, fully free |
| Made by | Comfy Org | Acly |
| Based in | United States | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
|
|
Pricing compared
Krita AI Diffusion is completely free, while ComfyUI is freemium.
Free plan
Cheapest paid plan
Top plan
Free trial
5 plans
Free
Free
- Open-source local app
- 5 free cloud runs for new users
Standard
$20/mo
- 30-minute max workflow runtime
- 4 concurrent agent sessions
- Add credits anytime
Creator
$35/mo
- Import your own models
- 6 concurrent agent sessions
- 5 builds
Pro
$100/mo
- Workflow runtime up to 1 hour
- 8 concurrent agent sessions
- 10 builds
Team
$700/mo
- For teams sharing workflows
- Shared credit pool
- 16 concurrent agent requests
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
ComfyUI
- Maximum control over pipelines
- Supports new models quickly
- Free to run locally
- Steep learning curve
- Needs a capable GPU locally
- Custom nodes can break on updates
Krita AI Diffusion
- Fits a painter's workflow
- Free and open source
- Automatic backend setup
- Needs Krita and a GPU
- Large model downloads
- Fewer options than raw ComfyUI
Which one should you choose?
Choose ComfyUI if you want:
- Maximum control over pipelines
- Supports new models quickly
- Free to run locally
Watch out: steep learning curve.
Choose Krita AI Diffusion if you want:
- Fits a painter's workflow
- Free and open source
- Automatic backend setup
Watch out: needs krita and a gpu.
ComfyUI vs Krita AI Diffusion FAQ
What is the difference between ComfyUI and Krita AI Diffusion?
ComfyUI: Node-based open-source interface for building image AI workflows. Krita AI Diffusion: Free plugin that adds AI generation and inpainting to Krita. Both are image tools.
Is ComfyUI or Krita AI Diffusion cheaper?
Krita AI Diffusion is completely free, while ComfyUI is freemium.
Do ComfyUI and Krita AI Diffusion have free plans?
ComfyUI: Yes. Krita AI Diffusion: Yes, fully free.
Who makes ComfyUI?
ComfyUI is made by Comfy Org, based in United States.
Who makes Krita AI Diffusion?
Krita AI Diffusion is made by Acly.
Which should I choose, ComfyUI or Krita AI Diffusion?
Choose ComfyUI if you value maximum control over pipelines and supports new models quickly. Choose Krita AI Diffusion if you value fits a painter's workflow and free and open source.