Stable Audio 3 is a family of text-to-audio models for generating music and sound effects. The useful part is the range of workflows around the model: you can generate a new clip from a prompt, restyle an existing recording, regenerate a section, or continue audio beyond its original ending.
That makes it more interesting than a one-shot prompt-to-sample tool. For example, you can start with a short synth idea, ask for a longer dream-pop instrumental, then use inpainting or continuation when only part of the result needs another pass.
The reader-facing workflow is the public Stable Audio 3 Space. It exposes Medium, Small Music, and Small SFX in one Gradio interface. Medium is the tracked general model here, while the smaller variants are useful when you want a lighter music-only or sound-effects path.