AI Image Generator · Freemium

Stable Diffusion (Stability AI)

Stable Diffusion by Stability AI is a family of open-weight image models, including SD 3.5 Large, Large Turbo and Medium, available to self-host under the Community License, through the Stable Image API with editing and upscaling tools, or in Brand Studio.

ai image generator
stable diffusion
stability ai
sd 3.5
sdxl
open source
image api
self hosted
inpainting
community license

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Updated Oct 9, 2026

Pricing Freemium

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Standout Features

What makes Stable Diffusion (Stability AI) stand out

Open-weight SD 3.5 models
Stable Image API with edit and upscale tools
Free Community License under $1M revenue
Brand Studio for enterprises

Key Features

What’s in the toolkit?

01
SD 3.5 Large
02
SD 3.5 Large Turbo
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SD 3.5 Medium
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SDXL and SDXL Turbo
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Stable Image Ultra and Core
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Erase, Inpaint and Outpaint
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Search and Replace, Search and Recolor
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Remove and Replace Background, Relight
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Creative, Conservative and Fast Upscale
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Sketch, Structure and Style Control
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Brand Studio with Brand ID Models
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Self-hosted open weights

What is Stable Diffusion (Stability AI)?

Open-weight Stable Diffusion models, API and Brand Studio

Stability AI created Stable Diffusion, the open image model family that powers countless apps. You can self-host the weights, call the API, or use its web apps.

Models and API

SD 3.5 Large, Large Turbo (4 steps) and Medium (runs on consumer hardware).
SDXL and SDXL Turbo.
Stable Image Ultra and Core via API.
Edit tools: erase, inpaint, outpaint, search and replace, relight.
Upscale (creative, conservative, fast) and Control (sketch, structure, style).

Licensing and Brand Studio

The Community License is free for organizations under $1M annual revenue, with Enterprise licenses above that. Brand Studio adds brand-trained models and campaigns for enterprises. Stable Diffusion remains the leading open-source AI image generator.

Category: AI Image Generator
Pricing: Freemium
Company: Stability AI Ltd.
Platform Access: 3 features

Use Cases

Where teams put it to work

01
Self-hosted image generation
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Building image apps
03
Brand content at scale
04
Research

Workflow

How to use Stable Diffusion (Stability AI)?

01
Download the weights from Hugging Face, or
02
Get an API key at stability.ai.

03
Generate and edit with the Stable Image API.
04
Use Brand Studio for brand campaigns.

Pros & Cons

Is Stable Diffusion (Stability AI) right for you?

Pros

Open weights you can run locally
Huge community ecosystem
Flexible API tools
Free for small businesses

Cons

Self-hosting needs technical skill and GPUs
Enterprise license required above $1M revenue

Pricing

Pricing for Stable Diffusion (Stability AI)

Freemium

Community License: free for organizations under $1M annual revenue.
API: credits at $0.01 each, e.g. Ultra 8 credits, Core 3, SD 3.5 Large 6.5 per image.
Brand Studio Core – $50/month: 5,000 credits.
Enterprise: custom.

API credit costs come from a developer guide (June 2026).

Who is it for

Who is Stable Diffusion (Stability AI) for?

Developers and researchers.Open-source enthusiasts.Enterprises with brand needs.

FAQ

Frequently Asked Questions

Everything you need to know about Stable Diffusion (Stability AI) before you try it.

Each generation or edit uses credits, and the amount varies by operation.

Stable Diffusion models plus third-party models such as Nano Banana and Seedream.

Custom models trained on a brand's photo style or product SKUs, available on Enterprise.

Stability AI offers API access and self-hosting options.

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