CompareStack/Stable Diffusion vs Leonardo AI
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Updated March 2026 · Independent Analysis

Stable DiffusionvsLeonardo AI

Leonardo AI starts at $12/mo, 40% cheaper than Stable Diffusion's $20/mo. Leonardo AI is rated higher at 4.5/5 vs Stable Diffusion's 4.3/5.

S
Stable Diffusion

Open-source AI image generation model you can run locally or via API with unlimited customization.

★ 4.3/5Founded 202210M+ users
Try Stable Diffusion Free →
L
Leonardo AI

AI image and video generation platform with powerful custom model training and game asset creation tools.

★ 4.5/5Founded 20224M+ users
Try Leonardo AI Free →

⚡ Quick Stats

⭐
Avg Rating
Stable Diffusion4.3/5
Leonardo AI4.5/5
🏆 Leonardo AI wins
💰
Starting Price
Stable Diffusion$20/mo
Leonardo AI$12/mo
🏆 Leonardo AI wins
🔧
Features
Stable Diffusion12
Leonardo AI12
🏆 Stable Diffusion wins
🎁
Free Plan
Stable DiffusionYes ✓
Leonardo AIYes ✓

📊 Ratings Breakdown

S

Stable Diffusion

4.3/5 avg
G2 Score4.3/5
Capterra Score4.4/5
Overall Avg4.35/5
L

Leonardo AI

4.5/5 avg
G2 Score4.5/5
Capterra Score4.6/5
Overall Avg4.55/5

⚡ Quick Verdict

Independent analysis based on features, pricing, and user ratings

Choose Stable Diffusion if you need:
  • ✓ Open source
  • ✓ Local installation
  • ✓ Custom model fine-tuning
  • ✓ Unlimited generations
  • ✓ ControlNet support
Try Stable Diffusion Free →
Choose Leonardo AI if you need:
  • ✓ Text-to-image
  • ✓ Image-to-image
  • ✓ AI canvas
  • ✓ Motion generation
  • ✓ Custom model training
Try Leonardo AI Free →

🔧 Feature Comparison

Stable Diffusion uniquely offers Open source, Local installation, Custom model fine-tuning. Leonardo AI uniquely offers Text-to-image, Image-to-image, AI canvas. Both share 1 features including Negative prompts.

Feature
Stable Diffusion
Leonardo AI
Negative prompts
✓
✓
Open source
✓
✗
Local installation
✓
✗
Custom model fine-tuning
✓
✗
Unlimited generations
✓
✗
ControlNet support
✓
✗
img2img
✓
✗
Inpainting
✓
✗
Outpainting
✓
✗
Multiple samplers
✓
✗
LoRA models
✓
✗
Community models
✓
✗
Text-to-image
✗
✓
Image-to-image
✗
✓
AI canvas
✗
✓
Motion generation
✗
✓
Custom model training
✗
✓
Fine-tuning
✗
✓
3D texture generation
✗
✓
Prompt magic
✗
✓
API access
✗
✓
Batch generation
✗
✓
Style presets
✗
✓
Total Features
12
12

💰 Pricing Comparison

Leonardo AI starts at $12/mo, 40% cheaper than Stable Diffusion's $20/mo.

S

Stable Diffusion Plans

Free tier available

Free
Free
  • • Open source
  • • Local installation
  • • Unlimited generations
APIBest Value
$20/mo
  • • Cloud access
  • • No local GPU needed
  • • Developer friendly
Full Stable Diffusion pricing breakdown →
L

Leonardo AI Plans

Free tier available

Free
Free
  • • 150 tokens/day
  • • Basic models
  • • Community access
ApprenticeBest Value
$12/mo
  • • 8,500 tokens/mo
  • • Priority generation
  • • Private mode
Artisan
$30/mo
  • • 25,000 tokens/mo
  • • Custom model training
  • • API access
Full Leonardo AI pricing breakdown →
🔔 Get notified when prices change

❓ Frequently Asked Questions

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