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