Source: https://seerepo.com/r/ace-step/ACE-Step-1.5
Markdown source: https://seerepo.com/r/ace-step/ACE-Step-1.5.md
Description: ace-step/ACE-Step-1.5 is a Python repo with 126,537 lines written. ACE-Step-1.5 is built with FastAPI, Lightning, and uvicorn.

# What's inside ace-step/ACE-Step-1.5

ace-step/ACE-Step-1.5 is a Python repo with 126,537 lines written. ACE-Step-1.5 is built with FastAPI, Lightning, and uvicorn. AI signed 35.8% of the 1,104 commits of ACE-Step-1.5.

Its description on GitHub: “The most powerful local music generation model that outperforms almost all commercial alternatives, supporting Mac, AMD, Intel, and CUDA devices.”

Python · MIT · 14,532 stars · GitHub: https://github.com/ace-step/ACE-Step-1.5

Read on November 9, 2026, at commit ca1e85f.

## More on this repo

- [What is ACE-Step-1.5 built with?](https://seerepo.com/r/ace-step/ACE-Step-1.5/built): ACE-Step-1.5 is built with FastAPI, Lightning, and uvicorn.
- [How much of ACE-Step-1.5 did AI write?](https://seerepo.com/r/ace-step/ACE-Step-1.5/ai): AI signed 35.8% of the 1,104 commits of ACE-Step-1.5.

## In figures

- 126,537 lines written: The ones people and agents wrote: product, tests, schemas and tooling. Generated code doesn’t count.
- 410 source files: The same as the lines: product, tests, schemas and tooling. What’s generated doesn’t count.
- 190 test files: The files that test the code.
- 27 technologies: Each service with the file and line that prove it.

SeeRepo read the facts in its code and kept none of it. AI only helps sort its packages and folders by their names, and never sees its code.

## Frequently asked questions

### What is ace-step/ACE-Step-1.5?

ace-step/ACE-Step-1.5 is a Python repo with 126,537 lines written. Its description on GitHub: “The most powerful local music generation model that outperforms almost all commercial alternatives, supporting Mac, AMD, Intel, and CUDA devices.”

The proof: [its page on GitHub](https://github.com/ace-step/ACE-Step-1.5)

### What is ACE-Step-1.5 built with?

ACE-Step-1.5 is built with FastAPI, Lightning, and uvicorn.

The proof: [each service with its file and line](https://seerepo.com/r/ace-step/ACE-Step-1.5/built)

### How much of ACE-Step-1.5 did AI write?

AI signed 35.8% of the 1,104 commits of ACE-Step-1.5.

The proof: [the commits each tool signed](https://seerepo.com/r/ace-step/ACE-Step-1.5/ai)

### What license does ACE-Step-1.5 have?

ACE-Step-1.5 is released under the MIT license.

The proof: [its page on GitHub](https://github.com/ace-step/ACE-Step-1.5)

### How many stars does ACE-Step-1.5 have on GitHub?

ACE-Step-1.5 had 14,532 stars on GitHub on November 9, 2026.

The proof: [its page on GitHub](https://github.com/ace-step/ACE-Step-1.5)

## Add this badge to your README

It links to this page and updates itself each time SeeRepo reads the repo.

```markdown
[![ace-step/ACE-Step-1.5 on SeeRepo](https://seerepo.com/badge/ace-step/ACE-Step-1.5.svg)](https://seerepo.com/r/ace-step/ACE-Step-1.5?de=insignia)
```

## What is your repo built with?

Any public repo, with no account: https://seerepo.com/r/owner/repo/built, with the owner and name it has on GitHub.