Stable Audio 2
stable-audio-2Stability AI's Stable Audio 2.0. Text-to-music up to 3 minutes of full-length, structured tracks at 44.1 kHz.
- Status
- Unavailable
- Input → output
- Text → Audio
- Developer
- Udio
- Updated
- September 23, 2026
Stable Audio 2 is currently unavailable
You can still read the details on this page. Pick one of the available alternatives below to run a comparable model right away.
Go to alternativesComparable models
All in this category- AudioLDM 2Haohe Liu
Latent-diffusion model for general-purpose text-to-audio. Generates speech, music, and sound effects with a unified prior.
≈ $0.0157/run
Compare Stable Audio 2 vs. AudioLDM 2 - ChatterboxResemble AI
Resemble AI's open Chatterbox TTS. Zero-shot voice cloning from a short audio prompt with an exaggeration control for emotion intensity, plus CFG weight to balance pacing and fidelity.
$0.030/1k chars
Compare Stable Audio 2 vs. Chatterbox - Kokoro TTS 82MCommunity
Open-weights 82M-parameter TTS. Punches above its size class on naturalness benchmarks at a fraction of the inference cost of larger models.
≈ $0.00030/run
Compare Stable Audio 2 vs. Kokoro TTS 82M
Playground
Try Stable Audio 2
No input form
Currently unavailable.
The playground is disabled. You can find comparable models in the same category: Browse alternatives
About Stable Audio 2
Stable Audio 2 is a model by Udio in the Text-to-speech category. Stable Audio 2 is currently not available on Railwail.
Pricing
Currently unavailable. There is no price for this model at the moment, so it cannot be run.
API
No verified API example
The public API passes a different input format than this model needs. Use the playground above.
Specifications
- Model ID
stable-audio-2- Developer
- Udio
- Category
- Text-to-speech
- Input
- Text
- Output
- Audio
- Catalog entry updated
- September 23, 2026
Tags
- stability
- music-generation
- pricing-tbd
Use cases
Frequently asked questions
What is Stable Audio 2?
Stable Audio 2 is a model by Udio in the Text-to-speech category. It is listed on Railwail but cannot be run at the moment.
How much does Stable Audio 2 cost on Railwail?
Stable Audio 2 cannot be run on Railwail at the moment, so there is no current price. Available alternatives with prices are listed further down this page.
How fast is Stable Audio 2?
There are not enough measured runs of Stable Audio 2 on Railwail yet to state a run time. It depends on the input, the settings and the load at the provider.
Is Stable Audio 2 better than AudioLDM 2?
That depends on the task. Stable Audio 2 (Udio) and AudioLDM 2 (Haohe Liu) are both models in the Text-to-speech category. The comparison page shows their prices and specifications side by side.
Compare Stable Audio 2 and AudioLDM 2Can I use Stable Audio 2 right now?
Currently unavailable. The page stays online; available alternatives from the same category are listed further down.
All models through one API
One API key for every model on Railwail. Usage is charged from prepaid credits, 1 credit = $0.01.