Open-source generative AI models for image, video, audio and 3D creation
Upscale video to 4K on your own GPU for free, or use cloud AI models
Stage
Not given
Not given
Founded
2022
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Based in
GB
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Pricing model
Freemium
Freemium
Pricing
Free for non-commercial use and for commercial use up to $1M annual revenue under Stability AI Community License. Enterprise License available for organizations with annual revenue exceeding $1M.
Local methods: free and unlimited. Cloud AI: 3 free credits on sign-up; credit packs from $5 (150 credits plus 20% bonus on first top-up); AI Restore ≈95 credits, Video Enhance ≈12 credits, Topaz Proteus ≈68 credits, Topaz Starlight ≈68 credits. Video prices are per 10-second 720p clip enlarged 2×.
Key features
Stable Diffusion 3.5 Large with 8.1 billion parameters for superior quality and prompt adherence
Stable Diffusion 3.5 Large Turbo generates high-quality images in 4 steps
Model requires only 9.9 GB of VRAM to unlock full performance
Diverse outputs with different skin tones and features without extensive prompting
Generates wide range of styles including 3D, photography, painting, line art
Stable Audio 2.0 generates full tracks up to three minutes at 44.1 kHz stereo
Stable Video Diffusion transforms images into 2-second high-quality videos
Fine-tuning and customization with Query-Key Normalization for flexible base models
ControlNets for Stable Diffusion 3.5 Large including Blur, Canny, and Depth
Upscale video 2×, 3× or 4× without upload
Runs entirely in browser on local GPU
Supports H.264, VP9, AV1 codecs
Results stored 30 days for cloud runs
Hardware-accelerated H.264 or VP9 encoding
Works offline for local methods
Precision and generative AI model options
What makes it different
Runs on standard consumer hardware without heavy demands
Highly customizable models designed for flexible base to build upon
Ownership of generated outputs without restrictive licensing implications
Leads market in prompt adherence and rivals larger models in image quality
Free local upscaling with no upload, watermark or limits
Runs entirely in browser using WebGPU—nothing leaves your device
Pay-per-run cloud models with no subscription required
Stability AI