Stable Diffusion

by Stability AI

Open-weight models you can run and fine-tune yourself.

Open source
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Full review in the AI Tools DirectoryOur editors' full Stable Diffusion review and category ranking live on the AI Tools page.

What is Stable Diffusion?

Stable Diffusion is the open foundation most of the image ecosystem is built on. You can run it locally, fine-tune it on your own images, and control it precisely with ControlNet and LoRA — no usage limits, no content gatekeeper.

Main use cases

  • Running generation locally and privately
  • Fine-tuning on a proprietary style
  • Precise pose and composition control
  • Embedding generation into products

Key features

  • Open weights, self-hostable
  • LoRA fine-tuning
  • ControlNet composition control
  • Huge community model library

Pricing

Stable Diffusion is open source, so you can use it for free and run it yourself. Listed pricing: Free (open weights) · API credits available.

Prices change often, so check the official site before you buy.

Best for

Developers and studios needing control and privacy.

Tags

  • Open source
  • Self-hosted
  • Fine-tuning
  • ControlNet

Bundles it's in

Compare Stable Diffusion

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Stable Diffusion FAQ

What is Stable Diffusion?

Stable Diffusion is the open foundation most of the image ecosystem is built on. You can run it locally, fine-tune it on your own images, and control it precisely with ControlNet and LoRA — no usage limits, no content gatekeeper.

Is Stable Diffusion free?

Stable Diffusion is open source, so you can use it for free and run it yourself. Listed pricing: Free (open weights) · API credits available. Prices change often, so check the official site before you buy.

Who is Stable Diffusion best for?

Developers and studios needing control and privacy.

What can you use Stable Diffusion for?

Common uses: running generation locally and privately, fine-tuning on a proprietary style, precise pose and composition control and embedding generation into products.

What are the best alternatives to Stable Diffusion?

Popular alternatives include Midjourney, DALL·E 3, Adobe Firefly and Ideogram. See the full shortlist on our AI Image Generation page.

AltFTool is not affiliated with Stable Diffusion. This summary was written by our editors from the tool's public information. Browse all AI bundles