Stable Diffusion 3 vs FLUX.1
Comprehensive comparison of two leading open-source AI models
Stable Diffusion 3
ProviderStability AI
Parameters8B
KYI Score9.3/10
LicenseStability AI Community License
FLUX.1
ProviderBlack Forest Labs
Parameters12B
KYI Score9.5/10
LicenseApache 2.0 (dev), Proprietary (pro)
Side-by-Side Comparison
| Feature | Stable Diffusion 3 | FLUX.1 |
|---|---|---|
| Provider | Stability AI | Black Forest Labs |
| Parameters | 8B | 12B |
| KYI Score | 9.3/10 | 9.5/10 |
| Speed | 6/10 | 6/10 |
| Quality | 10/10 | 10/10 |
| Cost Efficiency | 8/10 | 7/10 |
| License | Stability AI Community License | Apache 2.0 (dev), Proprietary (pro) |
| Context Length | N/A | N/A |
| Pricing | free | freemium |
Performance Comparison
SpeedHigher is better
Stable Diffusion 36/10
FLUX.16/10
QualityHigher is better
Stable Diffusion 310/10
FLUX.110/10
Cost EffectivenessHigher is better
Stable Diffusion 38/10
FLUX.17/10
Stable Diffusion 3 Strengths
- ✓State-of-the-art quality
- ✓Better text
- ✓Improved composition
- ✓Latest architecture
Stable Diffusion 3 Limitations
- ✗Requires more compute
- ✗Newer with less community support
- ✗Restrictive license
FLUX.1 Strengths
- ✓Best-in-class quality
- ✓Excellent prompt adherence
- ✓Photorealistic
- ✓From SD creators
FLUX.1 Limitations
- ✗Pro version is paid
- ✗High compute requirements
- ✗Newer model
Best Use Cases
Stable Diffusion 3
Professional artMarketingProduct visualizationCreative projects
FLUX.1
Professional photographyProduct designMarketingArt creation
Which Should You Choose?
Choose Stable Diffusion 3 if you need state-of-the-art quality and prioritize better text.
Choose FLUX.1 if you need best-in-class quality and prioritize excellent prompt adherence.