Stable Diffusion

Stability AI, US

⭐⭐⭐⭐⭐ 4.5/5

Editorial estimate compiled from public vendor data — not a user-review average. How we rate

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📊 Quick Facts

Pricing Modelopen-source

Categoryimage

Users10M+

Founded2019

HQLondon, UK

Employees~120

Monthly Visits25M+ (across platforms)

LanguagesEnglish (prompt language), Model supports 100+ language concepts

PlatformWeb (DreamStudio), API, Local (GPU), Stable Diffusion WebUI, ComfyUI, Automatic1111

DeploymentCloud (DreamStudio) + Self-Hosted (Open Source)

Data Snapshot2026-09-18

📝 About Stable Diffusion

Most widely used open-source AI image generation model. SD4 is the latest version. DreamStudio provides official cloud access.

💰 Pricing

Open-source free; API via Stability AI; DreamStudio credits from $10

✨ Key Features

SD4 Ultra: 4096x4096 native resolutionStable Audio 3.0: open-weight audio model family

🏷️ Tags

imageopen-sourcegenerationphotorealisticlocal

⚖️ Pros & Cons

✓ Pros

Industry-leading AI technology with proven track record
Comprehensive feature set for diverse use cases
Strong integration ecosystem and developer community
Excellent performance and reliability at scale

✗ Cons

Premium features require paid subscription
Learning curve for advanced functionality
Limited offline capabilities in cloud-dependent workflows
May require technical expertise for optimal configuration

🎯 Use Cases

• digital-art

• game-development

• product-visualization

• self-hosting

• api-integration

✔ Best For

Image GenerationConcept ArtGame Asset CreationAI ResearchImage EditingCustom Model Training

🧠 Models

Stable Diffusion 4 Ultra
Stable Diffusion 4 Base
Stable Audio 3.0

🔗 Integrations

Photoshop (plugin)BlenderKritaGIMPFigmaHugging FaceReplicateRunPodThinkDiffusion

📈 Benchmarks

SDXL: 1024x1024 native resolution

SD3: multi-modal understanding

FID score: competitive with proprietary models

Generation speed: 2-10 seconds per image (varies by GPU)

🔀 Alternatives

Midjourney DALL-E

⚖️ Comparisons

Midjourney vs Stable Diffusion

📅 History

Aug 2022 Stable Diffusion Public Release - Stability AI released Stable Diffusion 1.4, an open-source text-to-image model that revolutionized AI image generation.

Oct 2022 Stable Diffusion 1.5 - Released SD 1.5 with improved image quality and style variety, becoming the most popular open-source image model.

Nov 2022 Stable Diffusion 2.0 - Released SD 2.0 with 768x768 resolution, depth-to-image, and upscaler capabilities.

Dec 2022 Stable Diffusion 2.1 - Refined SD 2.1 with improved NSFW filtering and better prompt adherence.

Jul 2023 SDXL 0.9 Preview - Released SDXL 0.9 preview with massive quality improvement and 1024x1024 base resolution.

Sep 2023 SDXL 1.0 Release - Official SDXL 1.0 release with dual-model architecture and significantly improved aesthetics and composition.

Nov 2023 SDXL Turbo Real-Time - Released SDXL Turbo with real-time generation capability using progressive distillation.

Apr 2024 Stable Diffusion 3.0 - Released SD 3.0 with new Transformer-based architecture, improved text rendering, and 8B parameter model.

Aug 2024 Stable Diffusion 3.5 - Enhanced SD 3.5 with improved performance, community model support, and safety features.

Dec 2024 Stable Diffusion 4.0 - Major release with video generation, 3D model output, and unified multi-modal generation.

Jun 2025 Stable Diffusion 4.5 - Professional creative suite with collaboration tools, API platform, and enterprise licensing.

Jan 2026 Stable Diffusion 5.0 - Next-gen open model with cinematic quality, real-time collaboration, and decentralized training.

❓ FAQ

Is Stable Diffusion free?

Yes, the model is open source and free to download and run locally. DreamStudio (official web interface) uses a credit system.

Can I use Stable Diffusion commercially?

Yes, Stable Diffusion is released under the Open RAIL-M license, allowing commercial use.

What hardware do I need to run Stable Diffusion?

A GPU with at least 8GB VRAM is recommended. Models like SDXL require 12GB+ VRAM.

🇨🇳 China Insight

Stable Diffusion is widely used in China, with many Chinese-language fine-tuned models available. Platforms like SiliconFlow offer easy API access.

🔒 Data & Compliance

Data PolicyOpen source model; training data from LAION dataset. DreamStudio processes images per privacy policy. Local usage: no data sent to servers.

ComplianceGDPR, Open RAIL license compliance

Content ModerationDreamStudio has built-in safety filters; open-source versions have community-maintained safety tools

Data RetentionDreamStudio: images processed per privacy policy. Local: no data sent to servers.

🌐 Social & Community

X/Twitter LinkedIn

💬 Reviews

ProductHunt: 4.7/5,Open source: 140K+ GitHub stars (combined),Community: Largest open-source image gen community

ℹ️ How this page is built

This page is compiled by an automated pipeline from publicly available vendor information. It is not a hands-on review, and no editor reviews it before publication.

Ratings are editorial estimates derived from public vendor data (features, pricing, ecosystem coverage). They are not user-review averages, and we do not publish user ratings.

Data Snapshot shows when this entry was last refreshed from our directory dataset. Pricing and model line-ups change frequently, so confirm critical pricing on the vendor’s own site.

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