Stable Diffusion vs FLUX — Head-to-Head Comparison
Quick verdict: FLUX edges ahead
with a 4.7/5 rating vs 4.4/5.
See the full breakdown below.
Feature Comparison
| Feature | Stable Diffusion | FLUX |
|---|---|---|
| Fully open-source with publicly available model weights | ✓ | — |
| Local installation on Windows, Mac, and Linux | ✓ | — |
| SDXL and SD3 model variants for different use cases | ✓ | — |
| ControlNet for pose, depth, and edge conditioning | ✓ | — |
| LoRA support for custom style and character training | ✓ | — |
| img2img transformation and inpainting | ✓ | — |
| Outpainting via community interfaces | ✓ | — |
| Thousands of community fine-tunes on Civitai | ✓ | — |
| Commercial use allowed under Stability AI license | ✓ | — |
| DreamStudio cloud platform for no-install access | ✓ | — |
| Three model tiers: pro API, dev research, schnell commercial | — | ✓ |
| State-of-the-art photorealism and portrait quality | — | ✓ |
| Superior long prompt comprehension | — | ✓ |
| Hybrid transformer architecture using Flow Matching | — | ✓ |
| Available on Hugging Face, Replicate, and fal.ai | — | ✓ |
| LoRA training support via community tools | — | ✓ |
| Fast inference with schnell variant in 1-4 steps | — | ✓ |
| FLUX.1 dev open weights for research use | — | ✓ |
| Improved text rendering over previous open models | — | ✓ |
| Growing fine-tune ecosystem on Civitai | — | ✓ |
Pricing Comparison
| Plan | Stable Diffusion | FLUX |
|---|---|---|
| Starting price | Free | Free |
| Free plan | Yes | Yes |
| Pricing model | Freemium | Freemium |
Which Should You Choose?
Choose Stable Diffusion if...
The open-source AI image model that powers an entire ecosystem of tools
Visit Stable Diffusion