Stable Audio
Stable Audio: A customizable audio-generation API with cloud and self-hosted deployment options. Ranked #3 of 21 in AI Music APIs by our editors (9.0/10); pricing: Free plan; best for teams building customizable audio-generation workflows.
At a glance
- Editor score9.0 / 10
- PricingFree plan
- Best forTeams building customizable audio-generation workflows
- Free planYes
- Vocal generationNo
- Facts checked26 Sep 2026
Where it wins
- Generates music and sound effects from text or audio samples.
- Supports inpainting, track extension, and segment reworking.
- Offers open-weight models and self-hosted deployment.
Where it doesn't
- Does not support vocal generation.
- API costs credits for each successful generation.
- Published API documentation and homepage describe different model versions.
Our verdict on Stable Audio
Stable Audio is Stability AI’s generative audio model family for developers, creators, and enterprise teams building audio workflows. It combines a managed API and web app with open-weight models, and can be deployed in the cloud or self-hosted. Its focus is instrumental music and sound design rather than vocal production: the models generate music and sound effects from text prompts, and can transform audio using a sample alongside a prompt.
The editing tools give it more range than a text-to-audio endpoint alone. Users can inpaint audio, extend compositions, or modify a segment of a track, while prompt adherence targets genre and style. Customizable models can be built using a user’s own library. That combination suits teams that need to fit generation into their own product or deployment environment; buyers seeking vocal generation should look elsewhere.
According to the published API pricing, Stable Audio 3.0 charges 26 credits per successful generation, with each credit priced at $0.01; Stable Audio 2.5 charges 20 credits per successful generation. The API also includes 25 free credits, and pricing is usage-based rather than a recurring API plan. There is a version distinction to account for: the API documentation surfaces Stable Audio 2.x endpoints, while the homepage describes Stable Audio 3.0. Teams should check which model endpoints are available for their intended workflow before building around a specific version. Commercial output licensing and GDPR compliance are listed, alongside email, ticket, and documentation support.
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Stable Audio pricing
All 2 Stable Audio plans and prices →
Stable Audio fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Not verified |
| Vocal generation | No |
| Output license | Commercial |
| Max track length | 6 min |
| API pricing basis | Call |
| Official SDKs | No |
| Generation latency | Unspecified |
| Deployment | Cloud, Self-hosted, Browser extension |
| Platforms | Web |
| Compliance & security | GDPR |
| Support | Email, Tickets, Docs |
| Built for | Small business, Mid-market, Enterprise (editorial estimate) |
| Pricing | Free plan (source) |
| Website | stability.ai |
| Facts checked | 26 Sep 2026 |
Alternatives to Stable Audio
- Eleven MusicA music generation API with vocals, instrumentals, references, and section-level editing.9.4
- SunoPrompt-based song creation with editing tools, mobile apps, and a browser-based studio.9.2
- LoudlyA versatile AI music API with deep controls, stem workflows and distribution tools.8.8
See all Stable Audio alternatives →
Stable Audio vs the competition
- Stable Audio vs Eleven Music
- Stable Audio vs Suno
- Stable Audio vs Loudly
- Stable Audio vs Mureka
- Stable Audio vs SOUNDRAW
- Stable Audio vs Gemini Text-to-Speech
Compare Stable Audio with any tool side by side →
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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