# Poetry vs uv

**Leader by Vioscale score:** uv

| Attribute | Poetry | uv |
|---|---|---|
| **Vioscale score** | 58.4 (79% (high)) | 66.8 (76% (high)) |
| activity.commits_last_30d | 8 | 100 |
| adoption.dependent_repos | 1,968 | 2 |
| adoption.github_stars | 34,293 | 89,118 |
| adoption.package_downloads_weekly | 15,796,363 | 44,329,091 |
| deployment.options | `{"self_hosted":true}` | `{"self_hosted":true}` |
| description.long | A command-line tool that manages Python project dependencies, enforces consistent builds across environments, packages code for distribution, and handles publication to package registries. It includes intelligent conflict resolution for dependencies and creates isolated virtual environments. | A unified command-line tool that consolidates the functionality of multiple Python package management and development utilities into a single interface. It delivers substantially faster dependency resolution and installation compared to traditional package managers. |
| features.capabilities | `{"role":"manager_client","ecosystem":"python","deployment":"cli_local","open_source":"oss","pricing_model":"free","package_formats":"multi","private_packages":true,"lockfile_deterministic":true}` | `{"role":"manager_client","ecosystem":"python","deployment":"cli_local","workspaces":true,"open_source":"oss","pricing_model":"free","package_formats":"multi","lockfile_deterministic":true,"supply_chain_integrity":true}` |
| integrations.count | 1 | 17 |
| integrations.list | `[{"name":"PyPI"}]` | `[{"name":"Docker"},{"name":"GitHub Actions"},{"name":"GitLab CI/CD"},{"name":"AWS Lambda"},{"name":"Azure Artifacts"},{"name":"AWS CodeArtifact"},{"name":"JFrog Artifactory"},{"name":"PyTorch"},{"name":"FastAPI"},{"name":"Jupyter"}]` |
| language.primary | Python | Rust |
| license.spdx | MIT | Apache-2.0 |
| platform.support | `{"cli":true}` | `{"cli":true,"mac":true,"linux":true,"windows":true}` |
| pricing | `{"type":"free","sourceUrl":"https://python-poetry.org","retrievedAt":"2026-08-14T08:32:09.718Z"}` | `{"type":"open_source","freeTier":true,"sourceUrl":"https://docs.astral.sh/uv","retrievedAt":"2026-08-14T09:24:16.660Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | commercial | commercial |
| pricing.price_level | free | free |
| pricing.transparent | yes | - |
| release.cadence_days | 34 | 3 |
| release.history | `[{"url":"https://github.com/python-poetry/poetry/releases/tag/2.4.1","date":"2026-05-09T15:17:39Z","type":"stable","version":"2.4.1"},{"url":"https://github.com/python-poetry/poetry/releases/tag/2.4.0","date":"2026-05-03T15:04:59Z","type":"stable","version":"2.4.0"},{"url":"https://github.com/python-poetry/poetry/releases/tag/2.3.4","date":"2026-04-12T15:14:53Z","type":"stable","version":"2.3.4"},{"url":"https://github.com/python-poetry/poetry/releases/tag/2.3.3","date":"2026-03-29T12:23:09Z","type":"stable","version":"2.3.3"},{"url":"https://github.com/python-poetry/poetry/releases/tag/2.3.2","date":"2026-02-01T15:39:36Z","type":"stable","version":"2.3.2"},{"url":"https://github.com/python-poetry/poetry/releases/tag/2.3.1","date":"2026-01-20T14:51:42Z","type":"stable","version":"2.3.1"},{"url":"https://github.com/python-poetry/poetry/releases/tag/2.3.0","date":"2026-01-18T13:44:52Z","type":"stable","version":"2.3.0"},{"url":"https://github.com/python-poetry/poetry/releases/tag/2.2.1","date":"2025-09-21T14:50:15Z","type":"stable","version":"2.2.1"},{"url":"https://github.com/python-poetry/poetry/releases/tag/2.2.0","date":"2025-09-14T11:43:56Z","type":"stable","version":"2.2.0"},{"url":"https://github.com/python-poetry/poetry/releases/tag/2.1.4","date":"2025-08-05T03:52:52Z","type":"stable","version":"2.1.4"},{"url":"https://github.com/python-poetry/poetry/releases/tag/2.1.3","date":"2025-05-04T13:37:05Z","type":"stable","version":"2.1.3"},{"url":"https://github.com/python-poetry/poetry/releases/tag/2.1.2","date":"2025-03-29T21:38:44Z","type":"stable","version":"2.1.2"},{"url":"https://github.com/python-poetry/poetry/releases/tag/2.1.1","date":"2025-02-16T21:04:55Z","type":"stable","version":"2.1.1"},{"url":"https://github.com/python-poetry/poetry/releases/tag/2.1.0","date":"2025-02-15T14:07:10Z","type":"stable","version":"2.1.0"},{"url":"https://github.com/python-poetry/poetry/releases/tag/2.0.1","date":"2025-01-12T05:10:10Z","type":"stable","version":"2.0.1"},{"url":"https://github.com/python-poetry/poetry/releases/tag/2.0.0","date":"2025-01-05T11:53:49Z","type":"stable","version":"2.0.0"},{"url":"https://github.com/python-poetry/poetry/releases/tag/1.8.5","date":"2024-12-06T16:29:16Z","type":"stable","version":"1.8.5"},{"url":"https://github.com/python-poetry/poetry/releases/tag/1.8.4","date":"2024-10-14T15:43:01Z","type":"stable","version":"1.8.4"},{"url":"https://github.com/python-poetry/poetry/releases/tag/1.8.3","date":"2024-05-08T13:45:03Z","type":"stable","version":"1.8.3"},{"url":"https://github.com/python-poetry/poetry/releases/tag/1.8.2","date":"2024-03-02T15:26:36Z","type":"stable","version":"1.8.2"}]` | `[{"url":"https://github.com/astral-sh/uv/releases/tag/0.12.6","date":"2026-08-25T19:41:07Z","type":"stable","version":"0.12.6"},{"url":"https://github.com/astral-sh/uv/releases/tag/0.12.5","date":"2026-08-14T19:57:52Z","type":"stable","version":"0.12.5"},{"url":"https://github.com/astral-sh/uv/releases/tag/0.12.4","date":"2026-08-13T21:16:08Z","type":"stable","version":"0.12.4"},{"url":"https://github.com/astral-sh/uv/releases/tag/0.12.3","date":"2026-08-07T16:34:42Z","type":"stable","version":"0.12.3"},{"url":"https://github.com/astral-sh/uv/releases/tag/0.12.2","date":"2026-08-05T19:22:56Z","type":"stable","version":"0.12.2"},{"url":"https://github.com/astral-sh/uv/releases/tag/0.12.1","date":"2026-07-31T19:43:31Z","type":"stable","version":"0.12.1"},{"url":"https://github.com/astral-sh/uv/releases/tag/0.12.0","date":"2026-07-28T18:58:12Z","type":"stable","version":"0.12.0"},{"url":"https://github.com/astral-sh/uv/releases/tag/0.11.33","date":"2026-07-28T10:37:25Z","type":"stable","version":"0.11.33"},{"url":"https://github.com/astral-sh/uv/releases/tag/0.11.32","date":"2026-07-23T23:17:45Z","type":"stable","version":"0.11.32"},{"url":"https://github.com/astral-sh/uv/releases/tag/0.11.31","date":"2026-07-22T01:49:40Z","type":"stable","version":"0.11.31"},{"url":"https://github.com/astral-sh/uv/releases/tag/0.11.30","date":"2026-07-20T20:48:06Z","type":"stable","version":"0.11.30"},{"url":"https://github.com/astral-sh/uv/releases/tag/0.11.29","date":"2026-07-15T18:44:43Z","type":"stable","version":"0.11.29"},{"url":"https://github.com/astral-sh/uv/releases/tag/0.11.28","date":"2026-07-07T23:14:13Z","type":"stable","version":"0.11.28"},{"url":"https://github.com/astral-sh/uv/releases/tag/0.11.27","date":"2026-07-06T21:01:23Z","type":"stable","version":"0.11.27"},{"url":"https://github.com/astral-sh/uv/releases/tag/0.11.26","date":"2026-06-30T14:53:17Z","type":"stable","version":"0.11.26"},{"url":"https://github.com/astral-sh/uv/releases/tag/0.11.25","date":"2026-06-27T00:49:49Z","type":"stable","version":"0.11.25"},{"url":"https://github.com/astral-sh/uv/releases/tag/0.11.24","date":"2026-06-23T21:16:31Z","type":"stable","version":"0.11.24"},{"url":"https://github.com/astral-sh/uv/releases/tag/0.11.23","date":"2026-06-19T18:42:52Z","type":"stable","version":"0.11.23"},{"url":"https://github.com/astral-sh/uv/releases/tag/0.11.22","date":"2026-06-18T23:05:10Z","type":"stable","version":"0.11.22"},{"url":"https://github.com/astral-sh/uv/releases/tag/0.11.21","date":"2026-06-11T18:20:26Z","type":"stable","version":"0.11.21"}]` |
| security.scorecard | 3 | - |
| security.vulnerabilities | `{"count":5,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=poetry&per_page=100","last_12m":2,"max_severity":"CRITICAL"}` | `{"count":5,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=uv&per_page=100","last_12m":4,"max_severity":"MODERATE"}` |

## Capabilities (Package Registries)

| Capability | Poetry | uv |
|---|:--:|:--:|
| **Core** |  |  |
| Role | Package manager client | Package manager client |
| **Ecosystem** |  |  |
| Ecosystem / language | Python | Python |
| **Deployment** |  |  |
| Deployment | CLI-local | CLI-local |
| **Formats** |  |  |
| Package formats supported | Many formats | Many formats |
| **Hosting** |  |  |
| Private / scoped packages | ✓ | - |
| Upstream proxy / caching | - | - |
| **Resolution** |  |  |
| Lockfile / deterministic installs | ✓ | ✓ |
| Workspaces / monorepo | - | ✓ |
| Content-addressable store | - | - |
| **Supply chain** |  |  |
| Supply-chain integrity | - | ✓ |
| Vulnerability / licence scanning | - | - |
| **Licensing** |  |  |
| Openness | Open-source | Open-source |
| **Pricing** |  |  |
| Pricing model | Free / OSS | Free / OSS |

*Source: Vioscale. Generated 2026-09-01T17:14:00.978Z. "-" = undocumented, not absent.*