Side by side
Nix vs uv
Both stand on package managers. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan LinuxMacSelf-hosted+1
Nix offers package management, system configuration, and a broad set of reproducible-build and deployment capabilities at no listed cost. Its command-line orientation and Windows WSL2 requirements are important considerations before adopting it.
Visit Nix
Free plan LinuxMacWindows
uv brings Python project and package tasks into a single tool, with support for several environments and distribution formats. Its plaintext credential storage is an important consideration, and some source builds require a Rust toolchain.
Visit uvThe facts
| Nix | uv | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Linux, Mac, Self-hosted, Windows | Linux, Mac, Windows |
| Lowest paid plan | Free or on request | Free or on request |
| Plans published | 1 | 1 |
| Maker | Nix | Not published |
| Website | nixos.org | docs.astral.sh |
| On package managers | #13 of 93 | #9 of 93 |
Nix: what it does well
- Builds packages in isolation to avoid undeclared dependencies.
- Supports lockfiles, workspaces, and offline installation.
- Package collection offers over 140,000 packages.
- Supports atomic upgrades and rollbacks.
- Free, with no paid plan listed.
What to know first
- Windows support is through WSL2.
- Windows multi-user installation requires WSL systemd support.
- Documentation targets command-line and plain-text editor users.
uv: what it does well
- Free and available for macOS, Linux, and Windows.
- Supports lockfiles and workspaces.
- Can install and manage Python versions.
- Supports offline package installation.
- Default index strategy limits package candidates to the first matching index.
What to know first
- Credentials are currently stored in a plaintext file.
- Native system secret storage is experimental preview.
- Some platforms without a prebuilt PyPI wheel need a Rust toolchain.