Stable Diffusion

Stable Diffusion is the flagship open-source image generation model built by Stability AI, a company focused on open generative AI for creators, developers, and enterprises. Beyond the original text-to-image model, Stability AI now offers a broader family of tools under the Stable Image, Stable Video, Stable Audio, and Stable 3D lines, covering image creation and editing, generative video, audio synthesis, and volumetric 3D content. Models can be accessed through a Platform API for integration into other products, or licensed for self-hosted, on-premises deployment, which suits companies that need to run inference on their own infrastructure or fine-tune models on private data. Stability AI positions itself around training on fully licensed data and has struck cloud and technology partnerships with AWS, Microsoft Azure, NVIDIA, and ARM, along with commercial collaborations involving HubSpot, Electronic Arts, Universal Music Group, and Warner Music Group. It also offers Brand Studio, a creative production platform, and a standalone Stable Audio application for musicians and sound designers. The tool is best suited for developers and enterprises that want direct control over generative media models rather than a single polished consumer app, since Stability AI's own site is organized around licensing tiers and API access rather than a simple sign-up-and-generate flow. Exact pricing and per-model capabilities require checking the API documentation, as the homepage does not break down costs.