Source: https://seerepo.com/r/QwenAudio/CosyVoice/built
Markdown source: https://seerepo.com/r/QwenAudio/CosyVoice/built.md
Description: CosyVoice is a Python repo built with FastAPI and uvicorn. It uses AI through torch, onnxruntime, and transformers and validates its data with Pydantic.

# What is CosyVoice built with?

CosyVoice is a Python repo built with FastAPI and uvicorn. It uses AI through torch, onnxruntime, and transformers, validates its data with Pydantic, and uses pyarrow. It has 71 files and 21,889 written lines, with 1 test files.

Read on November 4, 2026, at commit 074ca6d.

Repository: https://github.com/QwenAudio/CosyVoice

## Frontend

### Interface

- **matplotlib**
- **[Rich](https://seerepo.com/uses/rich)**

## Backend

### The base

- **[FastAPI](https://seerepo.com/uses/fastapi)**: 1 file
- **uvicorn**: 1 file

### Data

- **pyarrow**: 1 file

### AI

- **torch**: 63 files
- **onnxruntime**: 8 files
- **transformers**: 6 files

## Support

### Validation

- **[Pydantic](https://seerepo.com/uses/pydantic)**

### Other

- **protobuf**
- **NumPy**: 27 files
- **soundfile**: 5 files
- **grpcio**: 2 files

## Other repos with a similar stack

- [Significant-Gravitas/AutoGPT](https://seerepo.com/r/Significant-Gravitas/AutoGPT/built): FastAPI, uvicorn, pyarrow, Rich, Pydantic · [Compare](https://seerepo.com/compare/QwenAudio/CosyVoice/vs/Significant-Gravitas/AutoGPT)
- [langflow-ai/langflow](https://seerepo.com/r/langflow-ai/langflow/built): FastAPI, uvicorn, pyarrow, Rich, Pydantic · [Compare](https://seerepo.com/compare/langflow-ai/langflow/vs/QwenAudio/CosyVoice)
- [open-webui/open-webui](https://seerepo.com/r/open-webui/open-webui/built): FastAPI, uvicorn, pyarrow, Pydantic · [Compare](https://seerepo.com/compare/open-webui/open-webui/vs/QwenAudio/CosyVoice)
- [plotly/dash](https://seerepo.com/r/plotly/dash/built): FastAPI, uvicorn, pyarrow, Pydantic · [Compare](https://seerepo.com/compare/plotly/dash/vs/QwenAudio/CosyVoice)
- [verl-project/verl](https://seerepo.com/r/verl-project/verl/built): FastAPI, uvicorn, pyarrow, transformers · [Compare](https://seerepo.com/compare/QwenAudio/CosyVoice/vs/verl-project/verl)
- [PrefectHQ/prefect](https://seerepo.com/r/PrefectHQ/prefect/built): FastAPI, uvicorn, Rich, Pydantic · [Compare](https://seerepo.com/compare/PrefectHQ/prefect/vs/QwenAudio/CosyVoice)

## Frequently asked questions

### What language is CosyVoice written in?

CosyVoice is written in Python: 71 files and 21,889 written lines.

### What framework does CosyVoice use?

CosyVoice is built with FastAPI and uvicorn.

### Does CosyVoice use AI?

Yes. CosyVoice uses AI through torch, onnxruntime, and transformers.

### What services does CosyVoice use?

CosyVoice uses pyarrow.

### Does CosyVoice have tests?

Yes. CosyVoice has 1 test files.

### Which repos have a stack like CosyVoice's?

The ones that share most of its stack: Significant-Gravitas/AutoGPT, langflow-ai/langflow, and open-webui/open-webui.

## 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.