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uv

Python packaging 10-100x faster, in Rust

verified 2026-07-02MIT/Apacheself-hostable

Arete score

4.8 / 5

Autonomy5

Return5

Efficiency5

Transparency4

ἀρετή “AH-reh-tay” — excellence: a thing being good at what it’s for. Mean of the four principle scores. How we score →

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✓ Verified by a human against the public rubric on 2026-07-02 · see the evidence ↓

Why it's listed

Written by the ValueIndex editor, from the verification pass of 2026-07-02.

uv replaced the entire Python packaging stack — pip, pip-tools, virtualenv, poetry — with one Rust binary that's 10-100x faster, with published benchmarks. Built by Astral, which is VC-funded: we score transparency down a point and note the monetization question openly, but the tool itself is MIT-licensed and the speed claims verify.

Facts

License: MIT/Apache
Pricing: Free
Funding model: VC-backed OSS (Astral)
Self-hostable: Yes
Replaces: pip, poetry
Verification: Verified against the rubric on 2026-07-02

Evidence notes

Published benchmarks vs pip; single binary; VC funding disclosed — monetization TBD, watch

Recorded during the rubric pass — every score must carry evidence a stranger could re-check.

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just (4.8) — A command runner — make without the footguns
Ruff (4.8) — Python linter+formatter, 100x faster

Spotted a problem — trackers added, dark patterns, abandonment? Report a violation. Scores change when evidence does.