Stable Diffusion vs Flux
Side-by-side comparison of Stable Diffusion and Flux — features, pricing, and trade-offs.
| Stable Diffusion | Flux | |
|---|---|---|
| Tagline | Open-source image generation you can self-host. | Black Forest Labs' frontier image model. |
| Pricing model | free | freemium |
| Lowest paid tier | Free | Free |
| Launched | 2022 | 2024 |
| Best for | self-hosters, fine-tuning workflows, privacy-first | photorealism, prompt-precise generation |
| Top features | Open source, Local inference, LoRA training | Open weights, Excellent prompt adherence, Strong text |
Stable Diffusion
Open-source image generation you can self-host.
- + Free
- + Total control
- + Vast model variety
- − GPU required for local
- − Setup complexity
Flux
Black Forest Labs' frontier image model.
- + Top-tier quality
- + Open weights
- + Fast
- − Heavy compute
- − Less ecosystem than SD