"Blazing-fast installs uv is routinely 10-100× faster than pip (and often faster than Poetry or pipenv too). Dependency resolution and wheel installation that used to take seconds or minutes now finish in the blink of an eye. One tool to rule them all uv replaces pip + venv + pip-tools + pipx + virtualenv + pyenv in a single binary. You get dependency resolution, lockfiles, virtual-environment management, isolated global tool installation, Python version management, and even script running - all through the same uv command."
"Zero-friction developer workflow Virtual environments are created and populated automatically (no more python -m venv .venv && source .venv/bin/activate). A deterministic file is generated on the first uv sync or uv lock. Running scripts with uv run always uses the correct environment, even if you delete .venv, uv silently recreates it in milliseconds. Project scaffolding, building, and publishing are also built-in, so you can go from idea to published package without ever leaving uv."
uv delivers extremely fast Python dependency resolution and installation by using a Rust-based resolver and installer, aggressive caching (including a global wheel cache with hardlinks/CoW where possible), parallel downloads and builds, and smart version-pinned resolution that avoids unnecessary backtracking. Benchmarks report 8–10× speedups without cache and 80–115× with a warm cache. uv consolidates pip, venv, pip-tools, pipx, virtualenv, and pyenv into a single binary that handles lockfiles, virtual environments, isolated global tool installation, Python version management, and script execution. Virtual environments are created and populated automatically, a deterministic file is generated on first sync or lock, and uv silently recreates environments if deleted. Installation supports macOS, Linux, Windows, and pip-based installs, and uv can self-update.
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