SD
Stable Diffusion
The original open-source image model
4.4Launched 2022
Free plan
Verified
Editor reviewed
Last updated Jun 24, 2026Some links are affiliate links — we may earn a commission. Rankings stay independent.
Overview
Open-source diffusion model with a massive ecosystem.
Key features
- LoRAs
- ControlNet
- Inpainting
- Huge model zoo
Pricing
Open
$0
- Self-host any SD model
Stability API
Usage
- SD 3.5
- Hosted endpoints
Pros & cons
Pros
- Free and open
- Huge ecosystem
- Endless customization
Cons
- Steep learning curve
- Quality varies by model
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