Stable Audio Open 1.0 (stable-audio), released 2024-06
Task: Music and audio generation
Parameters: 1.3B
Mixture-of-experts: no
Precision: fp32 / fp16
Recommended memory:
gb: 15
quant: fp32
Runs on CPU: no
Device classes: nvidia, amd
Tools: stable-audio-tools, diffusers, ComfyUI
Model license: Stability Community License (commercial use: conditional)
License note: Free for commercial use under $1M annual revenue; enterprise license above. Cannot be used to train other generative models.
Notes: Latent-diffusion music model (1.06B DiT + autoencoder + T5-base, ~1.3B total) generating up to 47s of 44.1kHz stereo. The diffusion phase uses ~5.9GB VRAM; the decoder peaks at ~14.5GB (measured on an RTX 3090), so budget ~15GB unless you use chunked decoding. Stability Community License: free commercial use under $1M revenue. Sources: HF card, the Stable Audio Open paper, the license.