compare
Buck2 vs Pants
The same facts for both, read from GitHub every night, and the relation a person reviewed.
| Fact | Buck2 | Pants |
|---|---|---|
| Language | Rust | Python |
| Licence | Apache-2.0 | Apache-2.0 |
| Stars | 4.5k | 3.8k |
| Latest | latest | release_2.33.1 |
| Last push | 2026-10-06 | 2026-10-06 |
| Release cadence | too few releases | too few releases |
| Active contributors | 69+ commit authors on the default branch in the last 90 days | 20 commit authors on the default branch in the last 90 days |
| Flags | none | none |
How they relate
Both replace Bazel. Alternatives to Bazel →
Full replacementBuck2Starlark build rules with remote execution, from Meta.
PartialPantsInfers dependencies from imports, for Python, Go, JVM and shell repositories.
Buck2
- latest2023-04-13pre-release
- 2026-10-012026-10-01pre-release
- 2026-09-152026-09-15pre-release
- 2026-09-012026-09-01pre-release
- 2026-08-222026-08-22pre-release
Pants
- release_2.34.0.dev42026-10-06Prepare 2.34.0.dev4 (#23693)pre-release
- release_2.33.12026-08-27Prepare 2.33.1 (#23638)
- release_2.34.0.dev32026-08-18Prepare 2.34.0.dev3 (#23630)pre-release
- release_2.33.02026-08-01Prepare 2.33.0 (#23594)
- release_2.34.0.dev22026-08-01Prepare 2.34.0.dev2 (#23593)pre-release
Buck2
unsigned The latest release, latest, carries no signature GitHub could verify.
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Pants
✓ signed The latest release, release_2.33.1, carries a signature GitHub verified.
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