ACE-Step

Open-weight (Apache-2.0) music foundation model that generates full songs with vocals from text and lyrics

What ACE-Step does

  • Open-weight (Apache-2.0) music foundation model that generates full songs with vocals from text and lyrics
  • Runs locally with a Gradio UI; supports lyric editing, audio-to-audio remix and variations
  • Multilingual lyrics; fast generation versus autoregressive music models

ACE-Step — straight answers

What is ACE-Step?

ACE-Step is listed under AI Music & Audio, in the Content & Media Generation category on Flocci AI Tools. Open-weight (Apache-2.0) music foundation model that generates full songs with vocals from text and lyrics. It is free, with no paid plan attached, and it lives at github.com.

Is ACE-Step free?

ACE-Step is listed as fully free — there is no paid tier attached to it in the catalog. That makes it one of the 397 entries on Flocci AI Tools with no upgrade path built in.

Can I use ACE-Step in a browser, or is there an app?

ACE-Step needs to be installed or self-hosted — it doesn't run in a browser tab. It is available on self-hosting.

What can ACE-Step do?

ACE-Step does 3 things the catalog singles out: Open-weight (apache-2.0) music foundation model that generates full songs with vocals from text and lyrics; runs locally with a gradio ui; supports lyric editing, audio-to-audio remix and variations; multilingual lyrics; fast generation versus autoregressive music models.

What is the best free alternative to ACE-Step?

Podcastfy is the closest free alternative: it sits in the same AI Music & Audio sub-category and is free. Riffusion, Treblo (formerly Sonauto) and YuE also start free. The full list is on the alternatives page.

See the full list →

ACE-Step alternatives

Compare all alternatives →

Suno

AI Music & Audio
freemium
  • Full songs with vocals from a text prompt
  • Free plan renews credits daily on a v4.5-class model; v5 is on paid plans
  • Extend, cover and remix tracks
  • Free tracks are non-commercial

Udio

AI Music & Audio
freemium
  • Generate songs with vocals from a text prompt
  • Free plan has daily and monthly credit limits
  • Extend, remix and inpaint sections
  • Downloads are disabled following the Universal Music partnership

ElevenLabs Music

AI Music & Audio
freemium
  • Strikingly realistic vocals with breath & vibrato
  • Cleanest commercial-rights licensing
  • Pairs with ElevenLabs voiceover
  • Free tier + affordable Pro

Riffusion

AI Music & Audio
free
  • Riffusion's Producer was acquired by Google and now continues as Flow Music
  • Free daily credits for full songs with vocals and instrumentals
  • Open-source roots in spectrogram-based music generation

AIVA

AI Music & Audio
freemium
  • AI composer for soundtracks and scores
  • Edit in a piano-roll style editor
  • Genre and mood presets
  • Free plan for personal use

Mureka

AI Music & Audio
freemium
  • Generates full songs with vocals plus separate stem downloads for DAW use
  • Also offers text-to-speech/voice cloning under the same credit plan
  • Lower entry price than Suno/Udio for high-volume song generation

Head-to-head comparisons