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Last updated: January 2026

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Feature
Stable Diffusion
Stable Diffusion
Leonardo AI
Leonardo AI
Rating
4.4/5
4.6/5
Pricing Model Free Freemium
Starting Price Free Free tier
Pricing Details
OPEN SOURCE

Self-Hosted (Free)

$0 (open source)

  • Fully free and open-source
  • Unlimited generations
  • Full model weight access
  • Run locally or on cloud GPU
  • No usage limits or subscriptions

Cloud GPU (est. cost)

~$0.50–2/hour

  • AWS, Google Cloud, RunPod, etc.
  • Cost depends on GPU choice
  • ~$0.01-0.05 per image generated

Stability AI API

Pay-per-use (credits)

  • $10 for 1,000 credits (~500 images)
  • SD3, SDXL, SD 1.5 models
  • REST API for integration
  • 25 free credits to start

Prices verified February 2026. Open-source models free to download. Hardware requirement: 8GB+ VRAM GPU recommended. Community platforms (Civitai, Hugging Face) offer free hosted inference.

Free

$0/month

  • 150 fast tokens/day
  • 200 canvas actions
  • 8-20 min wait times
  • Basic models access

Starter

$15/month

$12/mo billed annually

  • Fast token allocation
  • Relaxed image generation
  • Canvas upscaling
  • No wait times
MOST POPULAR

Creator

$35/month

$28/mo billed annually

  • 10,000+ fast tokens/month
  • Unlimited relaxed generation
  • 20 personal AI models
  • Queue up to 10 generations

Artisan Unlimited

$30/month

  • 25,000 fast tokens
  • Unlimited relaxed generation
  • 20 personal AI models

Maestro Unlimited

$60/month

  • 60,000 fast tokens
  • Unlimited video generation
  • 50 personal AI models
  • Queue up to 20 tasks

Prices verified February 2026. 20% savings on annual billing. All paid plans include commercial usage rights.

Category Image Generation Image Generation
Description Open-source AI image generation AI image generator optimized for game assets and creative projects
Key Features
  • Open-source
  • Local deployment
  • LoRA training
  • Inpainting
  • ControlNet
  • AI image generation
  • ControlNet pose control
  • Canvas editor
  • Model training
  • Game asset templates
Pros
  • + Free and open-source
  • + Highly customizable
  • + Run locally
  • + Active community
  • + Best for game assets
  • + Style consistency
  • + ControlNet support
  • + Generous free tier
  • + Commercial use included
Cons
  • - Technical setup required
  • - Needs GPU
  • - Quality varies
  • - No official customer support or help desk
  • - Learning curve for advanced features
  • - Token system limits
  • - Less realistic than Midjourney for photos
  • - Community-created models vary widely in quality
Get Started Try Stable Diffusion Try Leonardo AI

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