Rattler
6.6#48 in package managersWebAPILinuxmacOS
VisitRattler vs uv
What both publish
| Fact | Rattler | uv |
|---|---|---|
| Dependency resolution | Yes | Yes |
| Free plan | Yes | Yes |
| Integrations | The project says Rattler is actively used by Pixi, rattler-build, and the prefix.dev backend. | The documentation lists integrations and guides for Docker, Jupyter, marimo, GitHub Actions, GitLab CI/CD, Pre-commit, PyTorch, FastAPI, and several package registries. |
| Intended users | Rattler is intended for developers building tools and libraries that need to interact with the Conda ecosystem from Rust or other languages. | Astral says it builds high-performance developer tools for the Python ecosystem to help developers ship software faster. |
| Lockfile support | Yes | Yes |
| Package formats | .conda,.tar.bz2 | source distributions,wheels,requirements.txt,pylock.toml |
| Private registry auth | Yes | Yes |
| Purpose | Its stated goal is to let applications work with Conda without depending on Python. | uv is an extremely fast Python package and project manager written in Rust. |
| Supported platforms | Windows,macOS,Linux,browser,Node.js | macOS,Linux,Windows,CPython,PyPy,Pyodide,GraalPy |
Rattler plans
No prices published.
uv plans
- uvFree
Pick Rattler if…
You want what its maker publishes above — check its page for the details.
Pick uv if…
uv suits Python developers looking to manage project environments and dependencies, install Python versions, or run scripts and command-line tools. Its pip-compatible interface may appeal to those consolidating several Python tool workflows.