# crates.io/Cargo vs Poetry

| Attribute | crates.io/Cargo | Poetry |
|---|---|---|
| **Vioscale score** | 58.9 (35% (low)) | 58.4 (79% (high)) |
| activity.commits_last_30d | 100 | 8 |
| adoption.dependent_repos | 9,209 | 1,968 |
| adoption.github_stars | 15,429 | 34,293 |
| adoption.package_downloads_weekly | - | 15,796,363 |
| deployment.options | `{"self_hosted":true}` | `{"self_hosted":true}` |
| description.long | An open-source package manager and build system that handles fetching project dependencies and compiling Rust code. It is the official package management solution for the Rust ecosystem. | 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. |
| features.capabilities | `{"role":"manager_client","ecosystem":"rust","deployment":"cli_local","open_source":"oss","pricing_model":"free","package_formats":"single","lockfile_deterministic":true}` | `{"role":"manager_client","ecosystem":"python","deployment":"cli_local","open_source":"oss","pricing_model":"free","package_formats":"multi","private_packages":true,"lockfile_deterministic":true}` |
| integrations.count | - | 1 |
| integrations.list | - | `[{"name":"PyPI"}]` |
| language.primary | Rust | Python |
| license.spdx | Apache-2.0 | MIT |
| market.availability | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | - |
| platform.support | `{"cli":true,"mac":true,"linux":true,"windows":true}` | `{"cli":true}` |
| pricing | `{"type":"free","summary":"Free and open source","freeTier":true,"sourceUrl":"https://crates.io","retrievedAt":"2026-08-14T08:35:22.875Z"}` | `{"type":"free","sourceUrl":"https://python-poetry.org","retrievedAt":"2026-08-14T08:32:09.718Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | free | commercial |
| pricing.price_level | free | free |
| pricing.transparent | yes | yes |
| release.cadence_days | - | 34 |
| 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"}]` |
| reliability.status_page | yes | - |
| security.disclosure_policy | yes | - |
| security.scorecard | 7.3 | 3 |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=cargo&package_name=home&per_page=100","last_12m":0,"max_severity":null}` | `{"count":5,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=poetry&per_page=100","last_12m":2,"max_severity":"CRITICAL"}` |

## Capabilities (Package Registries)

| Capability | crates.io/Cargo | Poetry |
|---|:--:|:--:|
| **Core** |  |  |
| Role | Package manager client | Package manager client |
| **Ecosystem** |  |  |
| Ecosystem / language | Rust | Python |
| **Deployment** |  |  |
| Deployment | CLI-local | CLI-local |
| **Formats** |  |  |
| Package formats supported | Single ecosystem | 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 2026-09-01T17:01:04.174Z. "-" = undocumented, not absent.*