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uv vs Pixi: catalog facts
uv	Pixi
Free Free and open source, dual licensed Apache 2.0 or MIT.	Free The open-source application is available without a license fee.
Windows, macOS, Linux, Command line	Windows, macOS, Linux
Replaces pip, pip-tools, pipx, poetry, pyenv, twine and virtualenv with one tool 10 to 100 times faster than pip, with a global cache that saves disk across projects	Cross-platform environments with lock files
Another tool in an ecosystem already crowded with them Some edge cases in complex dependency resolution still differ from pip	Available packages depend on configured package channels.
Downloadable app	Downloadable app
Open source	Open source
License: Apache-2.0	License: BSD-3-Clause
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked September 22, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.