ACE-Step vs Udio comparison
Compare ACE-Step and Udio 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.
A refined AI music generator for producers
An AI music generation service that creates songs with vocals and instrumentation from text prompts, and supports fine-grained editing such as inpainting to regenerate only selected sections of a track.
Edge vs. similar tools: Its most distinctive differentiator is inpainting editing that regenerates just a specific two-second section of a track exactly as you want.
Item-by-item comparison
Pricing
- Free plan
- Yes
- Cheapest paid
- Free
- Plans
- 1
Specs
- Max length
- 240s
- Vocals
- Supported
- Stem separation
- -
Cross-cutting
- Korean
- Supported
- API
- No
- Commercial use
- Allowed
Pricing
- Free plan
- Yes
- Cheapest paid
- from $10/mo
- Plans
- 3
Specs
- Max length
- -
- Vocals
- Supported
- Stem separation
- Supported
Cross-cutting
- Korean
- Supported
- API
- No
- Commercial use
- Limited
ACE-Step vs Udio: which should you choose?
- ACE-Step and Udio can be started for free, so you can see the results first without signing up.
- Udio has the higher popularity score (ACE-Step 38 vs Udio 71), so it has stronger public awareness signals in this category.
- Commercial-use terms are more permissive on ACE-Step's side.