Source: https://seerepo.com/compare/astral-sh/uv/vs/oxc-project/oxc
Markdown source: https://seerepo.com/compare/astral-sh/uv/vs/oxc-project/oxc.md
Description: uv and oxc share 5 technologies: Tokio, console, schemars, tracing, and tracing-subscriber. Both are written in Rust.

# uv vs oxc

uv and oxc share 5 technologies: Tokio, console, schemars, tracing, and tracing-subscriber. Both are written in Rust.

- [astral-sh/uv](https://seerepo.com/r/astral-sh/uv): An extremely fast Python package and project manager, written in Rust.
- [oxc-project/oxc](https://seerepo.com/r/oxc-project/oxc): ⚓ A collection of high-performance JavaScript tools.

## What they share and what sets them apart

- In common: Tokio, console, schemars, tracing, tracing-subscriber
- Only in uv: indicatif, csv, markdown, resvg
- Only in oxc: React, Preact, Vue, handlebars, Ajv

## Side by side

| | uv | oxc |
|---|---|---|
| Size | 587,245 lines written, 644 code files | 1,151,882 lines written, 3,112 code files |
| Who writes it | 1.4% of its commits signed by AI. With Claude Code, Codex, and GitHub Copilot | 1.9% of its commits signed by AI. With GitHub Copilot, Claude Code, Cursor, and Codex |
| Activity | Last push November 4, 2026, 11,330 commits, 91,537 stars | Last push November 4, 2026, 21,872 commits, 23,321 stars |
| Tests | 161 test files. 7.1% of its code files have a test that imports them | 5,900 test files. 2.7% 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, uv or oxc?

oxc, with 1,151,882 lines written; uv has 587,245.

The proof: [oxc-project/oxc's code at commit 3d3a6f4](https://github.com/oxc-project/oxc/tree/3d3a6f468068a3794a44c0e83e9177bd61ea2c00)

### Which has more GitHub stars, uv or oxc?

uv, with 91,537 stars; oxc has 23,321.

The proof: [astral-sh/uv on GitHub](https://github.com/astral-sh/uv)

### Which has more tests, uv or oxc?

oxc, with 5,900 test files; uv has 161.

The proof: [oxc-project/oxc's code at commit 3d3a6f4](https://github.com/oxc-project/oxc/tree/3d3a6f468068a3794a44c0e83e9177bd61ea2c00)

### Which was updated more recently, uv or oxc?

Both got their last push on November 4, 2026.

The proof: [astral-sh/uv's commits on GitHub](https://github.com/astral-sh/uv/commits)

### Which has more commits signed by AI, uv or oxc?

oxc: an AI signed 1.9% of its commits, with GitHub Copilot, Claude Code, Cursor, and Codex; in uv, 1.4%.

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

## Sources

- astral-sh/uv: Read on November 4, 2026, at commit fc6a4c6 (https://github.com/astral-sh/uv/tree/fc6a4c6d4ae896a9a7fb7126957550c75ceffc66)
- oxc-project/oxc: Read on November 4, 2026, at commit 3d3a6f4 (https://github.com/oxc-project/oxc/tree/3d3a6f468068a3794a44c0e83e9177bd61ea2c00)

## 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.