Stable Audio vs CassetteAI
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Stable Audio starts at $12/mo and CassetteAI starts at See pricing page. Check both pricing pages for current plans.
Stability AI's music and sound effect generator trained on licensed data
Freemium · $12/moAt a glance
Best for
Category
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Text-to-music
- Sound effect generation
- Audio-to-audio transformation
- Audio inpainting
- Open-weight models
- Prompted music generation
- Loopable sound effects
- On-device inference
- Streaming output
- Deterministic seeds
| Feature | Stable Audio | CassetteAI |
|---|---|---|
| Best for | Stability AI's music and sound effect generator trained on licensed data | On-device music and sound effect generation through one SDK |
| Category | Audio & voice | Audio & voice |
| Pricing model | Freemium | Freemium |
| Starting price | $12/mo | See pricing page |
| Free plan | Yes | Yes |
| Made by | Stability AI | CassetteAI |
| Based in | United Kingdom | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Stable Audio starts at $12/mo and CassetteAI starts at See pricing page. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
Prices in USD, checked Oct 28, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Stable Audio
- Trained on licensed audio
- Good for sound design and beds
- Open weights for local use
- Weak at sung vocals
- Small one-time free credit
CassetteAI
- Very low latency on device
- Music and SFX from one SDK
- Playground needs no signup
- Text to speech not launched yet
- No public pricing
- Built for developers, not end users
Which one should you choose?
Choose Stable Audio if you want:
- Trained on licensed audio
- Good for sound design and beds
- Open weights for local use
Watch out: weak at sung vocals.
Choose CassetteAI if you want:
- Very low latency on device
- Music and SFX from one SDK
- Playground needs no signup
Watch out: text to speech not launched yet.
Stable Audio vs CassetteAI FAQ
What is the difference between Stable Audio and CassetteAI?
Stable Audio: Stability AI's music and sound effect generator trained on licensed data. CassetteAI: On-device music and sound effect generation through one SDK. Both are audio & voice tools.
Is Stable Audio or CassetteAI cheaper?
Stable Audio starts at $12/mo and CassetteAI starts at See pricing page. Check both pricing pages for current plans.
Do Stable Audio and CassetteAI have free plans?
Stable Audio: Yes. CassetteAI: Yes.
Who makes Stable Audio?
Stable Audio is made by Stability AI, based in United Kingdom.
Who makes CassetteAI?
CassetteAI is made by CassetteAI.
Which should I choose, Stable Audio or CassetteAI?
Choose Stable Audio if you value trained on licensed audio and good for sound design and beds. Choose CassetteAI if you value very low latency on device and music and sfx from one sdk.