ACE-Step: what’s new in v1.5 and our verdict
Open-source (Apache-2.0) music generation foundation model you can run yourself.
At a glance
- Evidence
- Reported
- Released
- Jan 28, 2026
- Last verified
- Oct 25, 2026
- Pricing
- Not verified
- Best for
- music
Evidence and ranking
Evidence behind this verdict
- Sources read2 cited sources, latest fetched Oct 25, 2026. (done)
- Facts re-checkedLast verified Oct 25, 2026. (done)
- Not run by us yetWe have not run it, so this is labelled Reported. (not done)
Pricing: We have not verified pricing for this tool; see the official site.
Our verdict
The pick if you want open weights and local control; expect a manual setup and no recent updates.
Good for
- Tinkerers who want to run music generation locally
- Developers who want to fine-tune with LoRA
- People who need Apache-2.0 licensing
Skip if
- You want a polished app with no setup
- You need active weekly releases
Status: Reported. This write-up is based on official release notes and docs; we have not run this release ourselves yet.
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Best for
- Best AI tool for music: Open-source music model with local setup, ComfyUI support and LoRA training.
What’s new
ACE-Step v1.5 was released on Jan 28, 2026 per the README. The repository's last push we saw was in February 2026, so treat it as a stable open option rather than a fast-moving one.
- 2026-01-28: README announces ACE-Step v1.5 as the latest and most advanced model.
- The model targets many styles and 19 languages, with ComfyUI nodes and LoRA training instructions listed in the README.
- The README notes a memory optimization that reduced maximum VRAM to 8GB for consumer devices.
How to set it up: Run ACE-Step locally
Steps come from the vendor's own pages or docs. We have not run them ourselves.
Clone the repo
The README starts by cloning the repository.
git clone https://github.com/ace-step/ACE-Step.git cd ACE-StepCreate an environment and install
Use a virtual environment and an editable install. Install the PyTorch build that matches your GPU first, as the README describes.
python -m venv venv source venv/bin/activate pip install -e .Launch the UI
Start the Gradio UI. The README recommends extra flags on lower-VRAM GPUs.
acestep --port 7865
Pros and cons
Pros
- Apache-2.0 open source
- Runs locally; README says as little as 8GB VRAM with optimizations
- ComfyUI nodes and LoRA training available
Cons
- No GitHub releases found; last push Feb 2026
- Setup needs a GPU and technical comfort
- We did not listen-test it
Alternatives and comparisons
- Suno: AI music creation: text, audio, images or video in, finished songs out.
- ElevenLabs: Voice, speech, music and voice-agent platform with a detailed API changelog.
FAQ
What is ACE-Step?
An open-source foundation model for music generation, with v1.5 announced on 2026-01-28 in the README.
How much VRAM does ACE-Step need?
The README says a memory optimization reduced maximum VRAM to 8GB.
Is ACE-Step actively updated?
Our check found the repository last pushed in February 2026 and no recent releases.
What we have not verified
- Audio quality compared with Suno (not tested)
- Whether newer versions exist outside the repo
- Hardware needs for v1.5 specifically
Sources
- ACE-Step README (fetched 2026-10-25)
- ACE-Step repository metadata (GitHub API) (fetched 2026-10-25)
Last verified · Agentic Weekly
Part of the week of Jan 26, 2026 archive.
Related tools
- ElevenLabs: Best for builders adding voice or music to products; the Video to Music API is the interesting new piece for creators.
- Suno: The most complete song-making tool we track; the v6 editing features are the draw. Rights and licensing questions are yours to check.
How to cite this page
Agentic Weekly, "ACE-Step v1.5: what's new, verdict & setup", last updated 2026-10-25, https://theagenticweekly.com/tools/ace-step
Keep the Reported or Tested label when you quote a verdict. Plain-text version: https://theagenticweekly.com/tools/ace-step.md. More for AI assistants: /ai, /tools.json, /llms.txt.
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