Stable Diffusion
Umami
| Feature | Stable Diffusion | Umami |
|---|---|---|
| Pricing | Free / from $0.01/mo | Free / from $9/mo |
| Free Plan | ✓ Yes | ✓ Yes |
| Rating | 4.5 / 5 | 4.5 / 5 |
| Best For | developers, artists, researchers, privacy-conscious-creators | indie-developers, privacy-focused-sites, bloggers, small-businesses |
| Founded | 2022 | 2020 |
| Text To Image | ✓ | ✗ |
| Img2img | ✓ | ✗ |
| Inpainting | ✓ | ✗ |
| Controlnet | ✓ | ✗ |
| Lora Models | ✓ | ✗ |
| Local Deployment | ✓ | ✗ |
| Api | ✓ | ✓ |
| Page Views | ✗ | ✓ |
| Custom Events | ✗ | ✓ |
| Realtime Dashboard | ✗ | ✓ |
| Utm Tracking | ✗ | ✓ |
| Multi Site | ✗ | ✓ |
| Teams | ✗ | ✓ |
✓ Stable Diffusion Pros
- Completely free to run locally
- Full creative control with no content restrictions
- Massive community of models, LoRAs, and extensions
- Runs offline on consumer GPUs
✗ Stable Diffusion Cons
- Requires powerful GPU for local use
- Complex setup with ComfyUI or Automatic1111
- Base model quality below Midjourney without tuning
✓ Umami Pros
- Completely open-source and self-hostable for free
- Beautiful, clean dashboard interface
- No cookies required (GDPR/CCPA compliant by default)
- Lightweight script (under 2KB) does not slow sites
✗ Umami Cons
- Limited advanced analytics features
- No conversion funnel or cohort analysis
- Self-hosting requires database management
The Verdict
Stable Diffusion is built for developers and artists, with a focus on text-to-image and img2img. Umami targets indie developers and privacy focused sites and leads with page-views and custom-events.
On pricing, Stable Diffusion is the clear winner for budget-conscious users — starting at $0.01/mo compared to $9/mo for Umami. That $8.99/mo difference adds up quickly for growing teams.
Both offer free plans, so you can test each with your real workflow before committing to a subscription.
This is a genuinely close comparison. If you can, sign up for both free trials (where available) and run a one-week test with your actual team tasks before deciding.