# Pylint vs Ruff

**Leader by vioscaleAI score:** Ruff

| Attribute | Pylint | Ruff |
|---|---|---|
| **vioscaleAI score** | 65.6 (49% (low)) | 72.5 (68% (medium)) |
| activity.commits_last_30d | 100 | 100 |
| adoption.dependent_repos | 117,361 | 5,870 |
| adoption.github_stars | 5,738 | 49,914 |
| adoption.package_downloads_weekly | - | 77,677,334 |
| content.faq | `[{"answer":"Pylint automatically scans Python source code to identify problems with coding standards compliance, detect runtime errors, and suggest refactoring improvements. It supports extensive customization through configuration files and plugins. It is indexed under Code Quality Tools.","source":"https://www.pylint.org/","question":"What is Pylint?","confidence":0.6},{"answer":"Pylint offers a free tier, so you can start without paying. Pricing changes often, so verify at source before relying on it.","source":"https://www.pylint.org/","question":"Is Pylint free?","confidence":0.6},{"answer":"Pylint 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://www.pylint.org/","question":"What platforms does Pylint support?","confidence":0.6},{"answer":"Yes. Pylint can be deployed self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://www.pylint.org/","question":"Can Pylint be self-hosted?","confidence":0.6},{"answer":"We have confirmed 10 integrations for Pylint, including Vim, Emacs, Eclipse, TextMate, PyDev, Spyder, Editra and Jenkins, plus 2 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://www.pylint.org/","question":"What does Pylint integrate with?","confidence":0.6},{"answer":"Yes. Pylint is published under the GPL-2.0 licence, a copyleft licence, so check its terms before embedding it in a closed-source product. Licence terms can change between releases, so verify against the repository for the version you intend to use.","source":"https://github.com/pylint-dev/pylint","question":"Is Pylint open source?","confidence":0.95}]` | `[{"answer":"A fast Python linter built in Rust that consolidates multiple linting tools into a single interface. It supports over 500 rules, provides automated fixes for common issues, and runs significantly faster than traditional Python linters on even very large codebases. It is indexed under Code Quality Tools.","source":"https://astral.sh/ruff","question":"What is Ruff?","confidence":0.6},{"answer":"Ruff 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://astral.sh/ruff","question":"What platforms does Ruff support?","confidence":0.6},{"answer":"Yes. Ruff can be deployed self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://astral.sh/ruff","question":"Can Ruff be self-hosted?","confidence":0.6},{"answer":"We have confirmed 6 integrations for Ruff, including Flake8, isort, Autoflake, Pyflakes, pycodestyle and Pylint. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://astral.sh/ruff","question":"What does Ruff integrate with?","confidence":0.6},{"answer":"We have independently confirmed GDPR for Ruff. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Ruff not holding them. Always confirm compliance directly before you rely on it.","source":"https://astral.sh/legal/privacy","question":"What security certifications does Ruff have?","confidence":0.7},{"answer":"Yes. Ruff 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/astral-sh/ruff","question":"Is Ruff open source?","confidence":0.95},{"answer":"Ruff is available worldwide. Its primary market is the United States. The vendor is headquartered in the United States.","source":"https://astral.sh/ruff","question":"Where is Ruff available?","confidence":0.75}]` |
| deployment.options | `{"self_hosted":true}` | `{"self_hosted":true}` |
| description.long | Pylint analyzes Python code without running it to identify errors, enforce coding standards, detect problematic patterns, and recommend improvements through configurable checks. | A tool for analyzing and formatting Python code, designed to be fast and efficient through Rust implementation, with support across multiple platforms. |
| features.capabilities | `{"autofix":true,"metrics":true,"function":"linter","ci_gating":true,"deployment":"cli_local","open_source":"oss","config_model":"config_file","custom_rules":true,"impl_language":"Python","pricing_model":"free","language_scope":"single_language","editor_integration":true}` | `{"autofix":true,"function":"linter","deployment":"cli_local","incremental":true,"open_source":"oss","impl_language":"Rust","pricing_model":"free","language_scope":"single_language","editor_integration":true}` |
| integrations.count | 10 | 6 |
| integrations.list | `[{"name":"Vim"},{"name":"Emacs"},{"name":"Eclipse"},{"name":"TextMate"},{"name":"PyDev"},{"name":"Spyder"},{"name":"Editra"},{"name":"Jenkins"},{"name":"Hudson"},{"name":"Apycot"},{"name":"Azure DevOps","native":true,"category":"ci","direction":"outbound"},{"name":"GitLab CI","native":true,"category":"ci","direction":"outbound"},{"name":"GitHub Actions","native":true,"category":"ci","direction":"outbound"}]` | `[{"name":"Flake8"},{"name":"isort"},{"name":"Autoflake"},{"name":"Pyflakes"},{"name":"pycodestyle"},{"name":"Pylint"},{"name":"Visual Studio Code","native":false,"category":"editor","direction":"outbound"}]` |
| language.primary | Python | Rust |
| license.spdx | GPL-2.0 | MIT |
| market.availability | - | `{"hqCountry":"US","primaryMarkets":["US"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true}` | `{"cli":true,"mac":true,"linux":true,"windows":true}` |
| pricing | `{"type":"free","summary":"Free and open source. Commercial support services available.","freeTier":true,"sourceUrl":"https://www.pylint.org/","retrievedAt":"2026-08-14T11:08:27.719Z"}` | - |
| pricing.free_tier | yes | - |
| pricing.model | commercial | commercial |
| pricing.price_level | free | - |
| pricing.transparent | yes | - |
| release.cadence_days | 16 | 7 |
| release.history | `[{"url":"https://github.com/pylint-dev/pylint/releases/tag/v4.1.3","date":"2026-10-11T07:41:22Z","type":"stable","version":"v4.1.3"},{"url":"https://github.com/pylint-dev/pylint/releases/tag/v4.1.2","date":"2026-10-02T22:13:57Z","type":"stable","version":"v4.1.2"},{"url":"https://github.com/pylint-dev/pylint/releases/tag/v4.1.1","date":"2026-09-29T21:09:11Z","type":"stable","version":"v4.1.1"},{"url":"https://github.com/pylint-dev/pylint/releases/tag/v4.1.0","date":"2026-09-29T20:00:00Z","type":"stable","version":"v4.1.0"},{"url":"https://github.com/pylint-dev/pylint/releases/tag/v4.0.10","date":"2026-09-29T15:47:29Z","type":"stable","version":"v4.0.10"},{"url":"https://github.com/pylint-dev/pylint/releases/tag/v4.0.9","date":"2026-09-23T15:25:58Z","type":"stable","version":"v4.0.9"},{"url":"https://github.com/pylint-dev/pylint/releases/tag/v4.0.8","date":"2026-08-29T12:21:15Z","type":"stable","version":"v4.0.8"},{"url":"https://github.com/pylint-dev/pylint/releases/tag/v4.0.7","date":"2026-08-09T19:12:32Z","type":"stable","version":"v4.0.7"},{"url":"https://github.com/pylint-dev/pylint/releases/tag/v4.0.6","date":"2026-06-14T14:42:38Z","type":"stable","version":"v4.0.6"},{"url":"https://github.com/pylint-dev/pylint/releases/tag/v4.0.5","date":"2026-02-20T09:06:45Z","type":"stable","version":"v4.0.5"},{"url":"https://github.com/pylint-dev/pylint/releases/tag/v4.0.4","date":"2025-11-30T13:28:26Z","type":"stable","version":"v4.0.4"},{"url":"https://github.com/pylint-dev/pylint/releases/tag/v4.0.3","date":"2025-11-13T15:53:59Z","type":"stable","version":"v4.0.3"},{"url":"https://github.com/pylint-dev/pylint/releases/tag/v4.0.2","date":"2025-10-20T13:01:44Z","type":"stable","version":"v4.0.2"},{"url":"https://github.com/pylint-dev/pylint/releases/tag/v4.0.1","date":"2025-10-15T05:40:09Z","type":"stable","version":"v4.0.1"},{"url":"https://github.com/pylint-dev/pylint/releases/tag/v4.0.0","date":"2025-10-12T15:16:43Z","type":"stable","version":"v4.0.0"},{"url":"https://github.com/pylint-dev/pylint/releases/tag/v3.3.9","date":"2025-10-05T18:37:27Z","type":"stable","version":"v3.3.9"},{"url":"https://github.com/pylint-dev/pylint/releases/tag/v3.3.8","date":"2025-08-09T09:12:00Z","type":"stable","version":"v3.3.8"},{"url":"https://github.com/pylint-dev/pylint/releases/tag/v3.3.7","date":"2025-05-04T17:07:12Z","type":"stable","version":"v3.3.7"},{"url":"https://github.com/pylint-dev/pylint/releases/tag/v3.3.6","date":"2025-03-20T11:24:54Z","type":"stable","version":"v3.3.6"},{"url":"https://github.com/pylint-dev/pylint/releases/tag/v3.3.5","date":"2025-03-09T06:47:06Z","type":"stable","version":"v3.3.5"}]` | `[{"url":"https://github.com/astral-sh/ruff/releases/tag/0.16.10","date":"2026-10-01T18:04:27Z","type":"stable","version":"0.16.10"},{"url":"https://github.com/astral-sh/ruff/releases/tag/0.16.9","date":"2026-09-24T20:38:52Z","type":"stable","version":"0.16.9"},{"url":"https://github.com/astral-sh/ruff/releases/tag/0.16.8","date":"2026-09-16T15:56:22Z","type":"stable","version":"0.16.8"},{"url":"https://github.com/astral-sh/ruff/releases/tag/0.16.7","date":"2026-09-10T18:05:06Z","type":"stable","version":"0.16.7"},{"url":"https://github.com/astral-sh/ruff/releases/tag/0.16.6","date":"2026-09-03T17:20:13Z","type":"stable","version":"0.16.6"},{"url":"https://github.com/astral-sh/ruff/releases/tag/0.16.5","date":"2026-08-27T16:37:58Z","type":"stable","version":"0.16.5"},{"url":"https://github.com/astral-sh/ruff/releases/tag/0.16.4","date":"2026-08-20T17:44:56Z","type":"stable","version":"0.16.4"},{"url":"https://github.com/astral-sh/ruff/releases/tag/0.16.3","date":"2026-08-13T15:18:05Z","type":"stable","version":"0.16.3"},{"url":"https://github.com/astral-sh/ruff/releases/tag/0.16.2","date":"2026-08-07T13:31:55Z","type":"stable","version":"0.16.2"},{"url":"https://github.com/astral-sh/ruff/releases/tag/0.16.1","date":"2026-07-30T19:37:52Z","type":"stable","version":"0.16.1"},{"url":"https://github.com/astral-sh/ruff/releases/tag/0.16.0","date":"2026-07-23T19:12:22Z","type":"stable","version":"0.16.0"},{"url":"https://github.com/astral-sh/ruff/releases/tag/0.15.22","date":"2026-07-16T15:15:10Z","type":"stable","version":"0.15.22"},{"url":"https://github.com/astral-sh/ruff/releases/tag/0.15.21","date":"2026-07-09T20:02:30Z","type":"stable","version":"0.15.21"},{"url":"https://github.com/astral-sh/ruff/releases/tag/0.15.20","date":"2026-06-25T17:21:46Z","type":"stable","version":"0.15.20"},{"url":"https://github.com/astral-sh/ruff/releases/tag/0.15.19","date":"2026-06-24T01:11:40Z","type":"stable","version":"0.15.19"},{"url":"https://github.com/astral-sh/ruff/releases/tag/0.15.18","date":"2026-06-18T18:26:34Z","type":"stable","version":"0.15.18"},{"url":"https://github.com/astral-sh/ruff/releases/tag/0.15.17","date":"2026-06-11T17:57:00Z","type":"stable","version":"0.15.17"},{"url":"https://github.com/astral-sh/ruff/releases/tag/0.15.16","date":"2026-06-04T16:34:11Z","type":"stable","version":"0.15.16"},{"url":"https://github.com/astral-sh/ruff/releases/tag/0.15.15","date":"2026-05-28T14:18:02Z","type":"stable","version":"0.15.15"},{"url":"https://github.com/astral-sh/ruff/releases/tag/0.15.14","date":"2026-05-21T14:35:54Z","type":"stable","version":"0.15.14"}]` |
| security.gdpr | - | yes |
| security.scorecard | 8 | - |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=pylint&per_page=100","last_12m":0,"max_severity":null}` | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=ruff&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (Code Quality Tools)

| Capability | Pylint | Ruff |
|---|:--:|:--:|
| **Core** |  |  |
| Function | Linter | Linter |
| Language scope | Single-language | Single-language |
| Implementation language | Python | Rust |
| **Capability** |  |  |
| Autofix | ✓ | ✓ |
| **Config** |  |  |
| Config model | Config file | - |
| **Extensibility** |  |  |
| Custom rules | ✓ | - |
| **Deployment** |  |  |
| Deployment | CLI-local | CLI-local |
| **Delivery** |  |  |
| Editor integration | ✓ | ✓ |
| CI / VCS gating | ✓ | - |
| **Insight** |  |  |
| Code metrics | ✓ | - |
| **Performance** |  |  |
| Incremental / monorepo aware | - | ✓ |
| **Licensing** |  |  |
| Open-source | OSS | OSS |
| **Commercial** |  |  |
| Pricing model | Free | Free |

*Source: vioscaleAI. Generated 2026-10-25T02:39:05.298Z. "-" = undocumented, not absent.*