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Stable Diffusion vs Leonardo AI
| Compare | Stable Diffusion | Leonardo AI |
|---|---|---|
| Monthly | — | 12 |
| Annual | — | 120 |
| Free plan | yes - open weights free to self-host under the community licence | yes - limited daily token allowance, public images only |
| Best for | Technical users who want to self-host an image model and control it end to end. | Designers who want to train custom models and generate consistent assets. |
Stable Diffusion
- Open weights are free to self-host under the community licence
- Full control over models, checkpoints and fine-tuning
- Runs locally, so images need not leave your machine
Leonardo AI
- Lets you train custom models on your own style or product
- Includes editing and asset tools beyond plain generation
- Entry price of 12 USD per month is competitive
Technical users who want to self-host an image model and control it end to end. — Stable Diffusion. Designers who want to train custom models and generate consistent assets. — Leonardo AI.