# Poetry vs uv

**Leader by vioscaleAI score:** uv

| Attribute | Poetry | uv |
|---|---|---|
| **vioscaleAI score** | 58.9 (77% (high)) | 64.6 (63% (medium)) |
| activity.commits_last_30d | 28 | 100 |
| adoption.dependent_repos | 1,968 | 0 |
| adoption.github_stars | 34,312 | 90,408 |
| adoption.package_downloads_weekly | 10,044,020 | 28,008,035 |
| content.faq | `[{"answer":"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. It is indexed under Package Registries.","source":"https://python-poetry.org","question":"What is Poetry?","confidence":0.6},{"answer":"Poetry offers a free tier, so you can start without paying. Pricing changes often, so verify at source before relying on it.","source":"https://python-poetry.org","question":"Is Poetry free?","confidence":0.6},{"answer":"Poetry supports a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://python-poetry.org","question":"What platforms does Poetry support?","confidence":0.6},{"answer":"Yes. Poetry can be deployed self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://python-poetry.org","question":"Can Poetry be self-hosted?","confidence":0.6},{"answer":"Yes. Poetry is published under the MIT licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.","source":"https://github.com/python-poetry/poetry","question":"Is Poetry open source?","confidence":0.95}]` | `[{"answer":"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. It is indexed under Package Registries.","source":"https://docs.astral.sh/uv","question":"What is uv?","confidence":0.6},{"answer":"uv is open source, so it can be self-hosted and used at no licence cost. It is released under the Apache-2.0 licence. Pricing changes often, so verify at source before relying on it.","source":"https://docs.astral.sh/uv","question":"Is uv free to use?","confidence":0.6},{"answer":"uv supports Windows, macOS, Linux and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://docs.astral.sh/uv","question":"What platforms does uv support?","confidence":0.6},{"answer":"Yes. uv can be deployed self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://docs.astral.sh/uv","question":"Can uv be self-hosted?","confidence":0.6},{"answer":"We have confirmed 10 integrations for uv, including Docker, GitHub Actions, GitLab CI/CD, AWS Lambda, Azure Artifacts, AWS CodeArtifact, JFrog Artifactory and PyTorch, plus 2 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://docs.astral.sh/uv","question":"What does uv integrate with?","confidence":0.6},{"answer":"Yes. uv is published under the Apache-2.0 licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.","source":"https://github.com/astral-sh/uv","question":"Is uv open source?","confidence":0.95}]` |
| deployment.options | `{"self_hosted":true}` | `{"self_hosted":true}` |
| description.long | A tool for declaring, managing, and installing Python dependencies while supporting both package development and distribution through source distributions and wheels. | 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","vuln_license_scanning":false,"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","sourceUrl":"https://docs.astral.sh/uv","retrievedAt":"2026-10-05T11:03:05.919Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | commercial | open_source |
| pricing.price_level | free | free |
| pricing.transparent | yes | - |
| release.cadence_days | 14 | 2 |
| release.history | `[{"url":"https://github.com/python-poetry/poetry/releases/tag/2.5.1","date":"2026-09-20T07:16:50Z","type":"stable","version":"2.5.1"},{"url":"https://github.com/python-poetry/poetry/releases/tag/2.5.0","date":"2026-09-19T18:12:41Z","type":"stable","version":"2.5.0"},{"url":"https://github.com/python-poetry/poetry/releases/tag/2.4.3","date":"2026-09-05T08:58:02Z","type":"stable","version":"2.4.3"},{"url":"https://github.com/python-poetry/poetry/releases/tag/2.4.2","date":"2026-08-29T19:16:50Z","type":"stable","version":"2.4.2"},{"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/astral-sh/uv/releases/tag/0.12.23","date":"2026-10-03T17:34:11Z","type":"stable","version":"0.12.23"},{"url":"https://github.com/astral-sh/uv/releases/tag/0.12.22","date":"2026-10-02T00:20:42Z","type":"stable","version":"0.12.22"},{"url":"https://github.com/astral-sh/uv/releases/tag/0.12.21","date":"2026-09-29T21:14:06Z","type":"stable","version":"0.12.21"},{"url":"https://github.com/astral-sh/uv/releases/tag/0.12.20","date":"2026-09-28T23:20:35Z","type":"stable","version":"0.12.20"},{"url":"https://github.com/astral-sh/uv/releases/tag/0.12.19","date":"2026-09-25T00:33:02Z","type":"stable","version":"0.12.19"},{"url":"https://github.com/astral-sh/uv/releases/tag/0.12.18","date":"2026-09-22T23:00:51Z","type":"stable","version":"0.12.18"},{"url":"https://github.com/astral-sh/uv/releases/tag/0.12.17","date":"2026-09-18T18:59:24Z","type":"stable","version":"0.12.17"},{"url":"https://github.com/astral-sh/uv/releases/tag/0.12.16","date":"2026-09-18T01:01:42Z","type":"stable","version":"0.12.16"},{"url":"https://github.com/astral-sh/uv/releases/tag/0.12.15","date":"2026-09-15T12:09:40Z","type":"stable","version":"0.12.15"},{"url":"https://github.com/astral-sh/uv/releases/tag/0.12.14","date":"2026-09-15T02:19:30Z","type":"stable","version":"0.12.14"},{"url":"https://github.com/astral-sh/uv/releases/tag/0.12.13","date":"2026-09-10T19:27:24Z","type":"stable","version":"0.12.13"},{"url":"https://github.com/astral-sh/uv/releases/tag/0.12.12","date":"2026-09-09T16:45:15Z","type":"stable","version":"0.12.12"},{"url":"https://github.com/astral-sh/uv/releases/tag/0.12.11","date":"2026-09-08T20:45:27Z","type":"stable","version":"0.12.11"},{"url":"https://github.com/astral-sh/uv/releases/tag/0.12.10","date":"2026-09-04T23:15:57Z","type":"stable","version":"0.12.10"},{"url":"https://github.com/astral-sh/uv/releases/tag/0.12.9","date":"2026-09-01T21:58:26Z","type":"stable","version":"0.12.9"},{"url":"https://github.com/astral-sh/uv/releases/tag/0.12.8","date":"2026-08-31T22:18:57Z","type":"stable","version":"0.12.8"},{"url":"https://github.com/astral-sh/uv/releases/tag/0.12.7","date":"2026-08-27T22:14:06Z","type":"stable","version":"0.12.7"},{"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"}]` |
| reliability.status_page | yes | - |
| security.scorecard | 3.1 | - |
| 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":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=spack&package_name=py-uv&per_page=100","last_12m":0,"max_severity":null}` |

## 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: vioscaleAI. Generated 2026-10-16T04:28:51.760Z. "-" = undocumented, not absent.*