Stable Diffusion vs FLUX
Both open-weight. FLUX is the newer and generally stronger family; Stable Diffusion has years of community fine-tunes, LoRAs and tooling behind it.
Stable Diffusion
Free
Pick Stable Diffusion if…
You want the deepest ecosystem of community models and extensions.
FLUX
Free plan
Pick FLUX if…
You want the better base model and can live with a smaller ecosystem.
Side by side
| Stable Diffusion | FLUX | |
|---|---|---|
| Pricing | Free | Free plan |
| Category | Image Generation | Image Generation |
| Best known for | Open-weight image models you can run on your own hardware. | Black Forest Labs' image models, strong at text and photorealism. |
| Tags | open-weights, self-hosted, text-to-image | text-to-image, open-weights, photoreal |
Related comparisons
Comparisons are editorial and can't be bought. Pricing models change — check both vendors before deciding. Some links earn a commission; see the disclosure.