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Stable Diffusion
AICores
Open-source AI image generation. Run locally, customize infinitely, own everything.
289 reviews
Free tierHas API
Stable Diffusion is the most powerful AI image tool available — if you have the technical skills to wield it. The open-source ecosystem is extraordinary. For production studios and technical creators, the zero marginal cost and infinite customization make it the obvious choice. Everyone else should use Midjourney.
What's great
- Free and open source with zero per-image generation cost
- Massive community ecosystem of models, LoRAs, and tools
- Complete control over every aspect of the generation process
Watch out for
- Requires significant technical knowledge to set up and use
- Needs a capable GPU (8GB+ VRAM) for local generation
- Default model quality requires fine-tuning to match Midjourney
Quick Facts
Founded2022
PricingFrom Free (local) or ~$0.002/image (cloud GPU)
Free tierYes
Platformswindows, linux, mac
APIAvailable
CategoryAI Image & Design
Q: What is Stable Diffusion?
Stable Diffusion is the open-source foundation of the AI image generation ecosystem. Unlike cloud-based services, you can run it on your own hardware, train custom models, and generate unlimited images with zero per-image cost.
Q: How much does Stable Diffusion cost?
Stable Diffusion starts at Free (local) or ~$0.002/image (cloud GPU). A free tier is available with Free (self-hosted, unlimited).
Q: Who is Stable Diffusion best for?
Stable Diffusion is best for technical users and studios who want unlimited, customizable image generation at near-zero cost..
Q: Is Stable Diffusion free?
Yes, Stable Diffusion is completely free and open source.
Best for
Technical users and studios who want unlimited, customizable image generation at near-zero cost.
Not ideal for
Non-technical users who want a simple, cloud-based image generation experience.
Free
Free (self-hosted, unlimited)
Starter
Free (local) or ~$0.002/image (cloud GPU)
Enterprise
Stability AI API pricing
1
2
3
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AICores Editorial Review
Reviewed by AICores Editorial Team
Last updated: May 2026
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