Updated April 2026 · Independent Analysis
Stable DiffusionvsFlux
Both Stable Diffusion and Flux offer free plans. Flux is rated higher at 4.5/5 vs Stable Diffusion's 4.2/5.
Stable Diffusionvs Flux
★ 4.2/5-0.3 vs Flux
Only in Stable Diffusion
- ✦ Open-source
- ✦ Self-hostable
- ✦ No content filters (local)
✓ Free plan10M+ users · est. 2022
Try Stable Diffusion Free →
Fluxvs Stable Diffusion
★ 4.5/5+0.3 vs Stable Diffusion
Only in Flux
- ✦ State-of-art image quality
- ✦ Open-source (Schnell)
- ✦ Photorealistic
✓ Free plan2M+ users · est. 2024
Try Flux Free →Ratings Breakdown
Stable Diffusion
4.2/5 avg
G2 Score4.2/5
Capterra Score4.1/5
G2 Rating4.2/5
Flux
4.5/5 avg
G2 Score4.5/5
Capterra Score4.4/5
G2 Rating4.5/5
Quick Stats
Starting Price
Stable DiffusionFree
FluxFree
Free Plan
Stable DiffusionYes ✓
FluxYes ✓
Feature Comparison
Stable Diffusion uniquely offers Open-source, Self-hostable, No content filters (local). Flux uniquely offers State-of-art image quality, Open-source (Schnell), Photorealistic. Both share 3 features including Inpainting, API access, Commercial license.
Feature
Stable Diffusion
Flux
Inpainting
✓
✓
API access
✓
✓
Commercial license
✓
✓
Open-source
✓
✗
Self-hostable
✓
✗
No content filters (local)
✓
✗
ControlNet
✓
✗
Img2Img
✓
✗
Outpainting
✓
✗
Custom models (LoRA/Dreambooth)
✓
✗
SDXL & SD3
✓
✗
Automatic1111 WebUI
✓
✗
ComfyUI
✓
✗
Fine-tuning
✓
✗
Community models (CivitAI)
✓
✗
Any hardware (CPU/GPU)
✓
✗
Unlimited generations (local)
✓
✗
Style customization
✓
✗
Video generation (AnimateDiff)
✓
✗
3D generation
✓
✗
State-of-art image quality
✗
✓
Open-source (Schnell)
✗
✓
Photorealistic
✗
✓
Text rendering
✗
✓
Flux.1 Pro/Dev/Schnell variants
✗
✓
ControlNet compatible
✗
✓
ComfyUI integration
✗
✓
Fast generation
✗
✓
No watermarks
✗
✓
High resolution
✗
✓
Style consistency
✗
✓
Human anatomy accuracy
✗
✓
Architecture & detail
✗
✓
Film photography style
✗
✓
Multiple providers (Replicate/fal.ai)
✗
✓
Fine-tuning support
✗
✓
Active development
✗
✓
Total Features
20
20
Quick Verdict
Independent analysis based on features, pricing, and user ratings
Choose Stable Diffusion if you need:
- ✓ Open-source
- ✓ Self-hostable
- ✓ No content filters (local)
- ✓ ControlNet
- ✓ Img2Img
Choose Flux if you need:
- ✓ State-of-art image quality
- ✓ Open-source (Schnell)
- ✓ Photorealistic
- ✓ Text rendering
- ✓ Flux.1 Pro/Dev/Schnell variants
Pricing Comparison
Both Stable Diffusion and Flux offer free plans.
Stable Diffusion Plans
Free tier available
Free (self-hosted)
Free- • Run locally
- • No limits
DreamStudio
Free- • $10 = 1000 credits
- • Cloud hosted
Flux Plans
Free tier available
Free (open-source)
Free- • Flux Schnell free
- • Self-hostable
API
Free- • Pay-per-image
- • ~$0.003/image
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Frequently Asked Questions
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