Source: https://seerepo.com/compare/QwenAudio/CosyVoice/vs/verl-project/verl
Markdown source: https://seerepo.com/compare/QwenAudio/CosyVoice/vs/verl-project/verl.md
Description: CosyVoice and verl share 4 technologies: FastAPI, uvicorn, pyarrow, and transformers. Both are written in Python.

# CosyVoice vs verl

CosyVoice and verl share 4 technologies: FastAPI, uvicorn, pyarrow, and transformers. Both are written in Python.

- [QwenAudio/CosyVoice](https://seerepo.com/r/QwenAudio/CosyVoice): Multi-lingual large voice generation model, providing inference, training and deployment full-stack ability.
- [verl-project/verl](https://seerepo.com/r/verl-project/verl): verl/HybridFlow: A Flexible and Efficient RL Post-Training Framework 

## What they share and what sets them apart

- In common: FastAPI, uvicorn, pyarrow, transformers
- Only in CosyVoice: matplotlib, Rich, torch, onnxruntime, Pydantic
- Only in verl: accelerate, datasets, einops, av, pylatexenc

## Side by side

| | CosyVoice | verl |
|---|---|---|
| Size | 21,889 lines written, 71 code files | 187,062 lines written, 359 code files |
| Who writes it | 0% of its commits signed by AI | 9.2% of its commits signed by AI. With Gemini CLI, Claude Code, Codex, Cursor, Devin, GitHub Copilot, OpenHands, and CodeRabbit |
| Activity | Last push May 25, 2026, 415 commits, 24,279 stars | Last push November 4, 2026, 3,182 commits, 24,128 stars |
| Tests | 1 test files | 304 test files. 54.9% of its code files have a test that imports them |

- Size: Lines written by people and agents, without generated ones; code files, without tests.
- Who writes it: A commit counts as AI's when it carries its signature: a Co-Authored-By line, its author name or the merge of its branch.
- Activity: From GitHub and its history, on the day SeeRepo read it.
- Tests: The files that test the code, and the share of code files a test imports.

## Frequently asked questions

### Which is bigger, CosyVoice or verl?

verl, with 187,062 lines written; CosyVoice has 21,889.

The proof: [verl-project/verl's code at commit 7454326](https://github.com/verl-project/verl/tree/745432653d15af14954af1e055c8aeed72afa064)

### Which has more GitHub stars, CosyVoice or verl?

CosyVoice, with 24,279 stars; verl has 24,128.

The proof: [QwenAudio/CosyVoice on GitHub](https://github.com/QwenAudio/CosyVoice)

### Which has more tests, CosyVoice or verl?

verl, with 304 test files; CosyVoice has 1.

The proof: [verl-project/verl's code at commit 7454326](https://github.com/verl-project/verl/tree/745432653d15af14954af1e055c8aeed72afa064)

### Which was updated more recently, CosyVoice or verl?

verl: its last push was on November 4, 2026, and CosyVoice's on May 25, 2026.

The proof: [verl-project/verl's commits on GitHub](https://github.com/verl-project/verl/commits)

### Which has more commits signed by AI, CosyVoice or verl?

verl: an AI signed 9.2% of its commits, with Gemini CLI, Claude Code, Codex, Cursor, Devin, GitHub Copilot, OpenHands, and CodeRabbit.

The proof: [the commits each tool signed in verl-project/verl](https://seerepo.com/r/verl-project/verl/ai)

## Sources

- QwenAudio/CosyVoice: Read on November 4, 2026, at commit 074ca6d (https://github.com/QwenAudio/CosyVoice/tree/074ca6dc9e80a2f424f1f74b48bdd7d3fea531cc)
- verl-project/verl: Read on November 4, 2026, at commit 7454326 (https://github.com/verl-project/verl/tree/745432653d15af14954af1e055c8aeed72afa064)

## 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.