# Poetry vs PyPI

**Leader by vioscaleAI score:** Poetry

| Attribute | Poetry | PyPI |
|---|---|---|
| **vioscaleAI score** | 58.9 (77% (high)) | 51.2 (23% (low)) |
| activity.commits_last_30d | 28 | 100 |
| adoption.dependent_repos | 1,968 | 0 |
| adoption.github_stars | 34,312 | 4,166 |
| adoption.package_downloads_weekly | 10,044,020 | - |
| 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":"PyPI is the official package registry for Python, serving as a centralized platform where developers can find and install community-created software, and package authors can distribute their work. It is indexed under Package Registries.","source":"https://pypi.org","question":"What is PyPI?","confidence":0.6},{"answer":"PyPI offers a free tier, so you can start without paying. Pricing changes often, so verify at source before relying on it.","source":"https://pypi.org","question":"Is PyPI free?","confidence":0.6},{"answer":"PyPI supports the web and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://pypi.org","question":"What platforms does PyPI support?","confidence":0.6},{"answer":"Yes. PyPI can be deployed cloud / SaaS and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://pypi.org","question":"Can PyPI be self-hosted?","confidence":0.6},{"answer":"Yes. PyPI 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/pypa/warehouse","question":"Is PyPI open source?","confidence":0.95}]` |
| deployment.options | `{"self_hosted":true}` | `{"cloud":true}` |
| description.long | A tool for declaring, managing, and installing Python dependencies while supporting both package development and distribution through source distributions and wheels. | PyPI is the official package registry for Python, serving as a centralized platform where developers can find and install community-created software, and package authors can distribute their work. |
| 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":"public_registry","ecosystem":"python","deployment":"both","open_source":"oss","pricing_model":"free","package_formats":"single"}` |
| integrations.count | 1 | - |
| integrations.list | `[{"name":"PyPI"}]` | - |
| language.primary | Python | Python |
| license.spdx | MIT | Apache-2.0 |
| market.availability | - | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true}` | `{"web":true}` |
| pricing | `{"type":"free","sourceUrl":"https://python-poetry.org","retrievedAt":"2026-08-14T08:32:09.718Z"}` | `{"type":"free","summary":"Free to use","sourceUrl":"https://pypi.org","retrievedAt":"2026-09-14T15:32:42.238Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | commercial | free |
| pricing.price_level | free | free |
| pricing.transparent | yes | yes |
| release.cadence_days | 14 | - |
| 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"}]` | - |
| reliability.status_page | yes | yes |
| security.disclosure_policy | - | yes |
| security.scorecard | 3.1 | 7.8 |
| 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=go&package_name=github.com%2Fpypa%2Fwarehouse&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (Package Registries)

| Capability | Poetry | PyPI |
|---|:--:|:--:|
| **Core** |  |  |
| Role | Package manager client | Public registry |
| **Ecosystem** |  |  |
| Ecosystem / language | Python | Python |
| **Deployment** |  |  |
| Deployment | CLI-local | Both |
| **Formats** |  |  |
| Package formats supported | Many formats | Single ecosystem |
| **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 2026-10-16T21:00:19.015Z. "-" = undocumented, not absent.*