Stable Diffusion
FreeOpen-source powerhouse
About Stable Diffusion
The model that democratised AI image generation — fully open-source, runs on your own hardware, and offers complete control over fine-tuning, custom checkpoints, and generation pipelines. No output limits, no content restrictions, no subscription. Steeper learning curve than hosted alternatives, but the ceiling for what you can produce is effectively unlimited.
Pricing plans
- Unlimited generations
- Full control + fine-tuning
- No GPU needed
- Latest SDXL models
- Pay as you go
How Stable Diffusion compares
| Directr tier | S | S | S | S |
| Price | Free (self-hosted) | Included in ChatGPT Plus | Free (open weights) | From $10/mo |
| Free tier | Free | None | Free | None |
| API access | ✓ | ✓ | ✓ | ✗ |
| Output | Unlimited | 1024px | Up to 4K | Up to 4K |
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