ACE-Step vs Stable Audio comparison
Compare ACE-Step and Stable Audio in Music item by item — price, plans, specs, Korean support, and commercial-use availability. In the table below, use Show differences only to filter to just the differing rows.
Open-source, self-hostable AI music model
An open-source music generation foundation model that turns text descriptions into high-quality music complete with melody, harmony, rhythm, and instrumentation, and optionally lyrics. It combines diffusion-based generation with a lightweight transformer for very fast generation speeds.
Edge vs. similar tools: Released under the Apache 2.0 license for commercial self-hosting, with a standout speed of generating a 4-minute song in about 20 seconds on an A100.
AI audio generator built for long tracks and sound effects
Stability AI's text-to-audio model that generates music, soundscapes, and sound effects from prompts. Released in May 2026, Stable Audio 3.0 can produce tracks up to roughly 6 minutes 20 seconds in a single pass and also supports audio-to-audio transformation and inpainting.
Edge vs. similar tools: With Stable Audio 3.0, it can generate tracks up to roughly 6 minutes 20 seconds in a single pass while supporting audio-to-audio transformation and inpainting.
Item-by-item comparison
Pricing
- Free plan
- Yes
- Cheapest paid
- Free
- Plans
- 1
Specs
- 최대 길이
- 240초
- 보컬
- 지원
Cross-cutting
- Korean
- Supported
- API
- No
- Commercial use
- Allowed
Pricing
- Free plan
- Yes
- Cheapest paid
- Free
- Plans
- 2
Specs
- 최대 길이
- 380초
- 보컬
- 미지원
Cross-cutting
- Korean
- Supported
- API
- Yes
- Commercial use
- Allowed
ACE-Step vs Stable Audio: which should you choose?
- ACE-Step and Stable Audio can be started for free, so you can see the results first without signing up.
- The overall AI Score is higher for Stable Audio (ACE-Step 79 vs Stable Audio 82). If you prioritize output quality, Stable Audio is ahead.
- To integrate directly into your service, choose Stable Audio, which provides an API.