# Pylint vs RuboCop

| Attribute | Pylint | RuboCop |
|---|---|---|
| **vioscaleAI score** | 65.6 (49% (low)) | 63.9 (50% (medium)) |
| activity.commits_last_30d | 100 | 100 |
| adoption.dependent_repos | 117,361 | 115,529 |
| adoption.github_stars | 5,738 | 12,913 |
| 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":"RuboCop is an open-source Ruby linter and formatter that enforces code style based on the Ruby community style guide. It detects code quality issues and can automatically fix many of them, with extensive configuration options and extensibility through community plugins. It is indexed under Code Quality Tools.","source":"https://rubocop.org/","question":"What is RuboCop?","confidence":0.6},{"answer":"RuboCop is open source, so it can be self-hosted and used at no licence cost. It is released under the MIT licence. Pricing changes often, so verify at source before relying on it.","source":"https://rubocop.org/","question":"Is RuboCop free to use?","confidence":0.6},{"answer":"RuboCop supports a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://rubocop.org/","question":"What platforms does RuboCop support?","confidence":0.6},{"answer":"We have confirmed 13 integrations for RuboCop, including rubocop-performance, rubocop-rails, rubocop-rspec, rubocop-minitest, rubocop-rake, rubocop-sequel, rubocop-thread_safety and rubocop-capybara, plus 5 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://rubocop.org/","question":"What does RuboCop integrate with?","confidence":0.6},{"answer":"Yes. RuboCop 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/rubocop/rubocop","question":"Is RuboCop open source?","confidence":0.95}]` |
| 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. | An open-source linter and formatter for Ruby that enforces the community style guide, identifies potential bugs, and can automatically correct many issues. |
| 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,"metrics":true,"function":"linter_formatter","ci_gating":true,"deployment":"cli_local","open_source":"oss","config_model":"config_file","custom_rules":true,"impl_language":"Ruby","pricing_model":"free","language_scope":"single_language","editor_integration":true}` |
| integrations.count | 10 | 14 |
| 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":"rubocop-performance"},{"name":"rubocop-rails"},{"name":"rubocop-rspec"},{"name":"rubocop-minitest"},{"name":"rubocop-rake"},{"name":"rubocop-sequel"},{"name":"rubocop-thread_safety"},{"name":"rubocop-capybara"},{"name":"rubocop-factory_bot"},{"name":"rubocop-rspec_rails"},{"name":"rubocop-i18n"},{"name":"Eglot"},{"name":"Helix"},{"name":"Flycheck"},{"name":"VS Code","native":true,"category":"editor","direction":"bidirectional"},{"name":"RubyMine","native":true,"category":"editor","direction":"bidirectional"},{"name":"Emacs","native":true,"category":"editor","direction":"bidirectional"},{"name":"Neovim","native":true,"category":"editor","direction":"bidirectional"},{"name":"Zed","native":true,"category":"editor","direction":"bidirectional"}]` |
| language.primary | Python | Ruby |
| license.spdx | GPL-2.0 | MIT |
| platform.support | `{"cli":true}` | `{"cli":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"}` | `{"type":"open_source","summary":"Free and open source","freeTier":true,"sourceUrl":"https://rubocop.org/","retrievedAt":"2026-08-14T08:31:22.550Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | commercial | open_source |
| pricing.price_level | free | free |
| pricing.transparent | yes | yes |
| release.cadence_days | 16 | 16 |
| 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/rubocop/rubocop/releases/tag/v1.92.0","date":"2026-10-10T09:34:41Z","type":"stable","version":"v1.92.0"},{"url":"https://github.com/rubocop/rubocop/releases/tag/v1.91.0","date":"2026-09-10T13:55:54Z","type":"stable","version":"v1.91.0"},{"url":"https://github.com/rubocop/rubocop/releases/tag/v1.90.0","date":"2026-08-24T11:40:21Z","type":"stable","version":"v1.90.0"},{"url":"https://github.com/rubocop/rubocop/releases/tag/v1.89.0","date":"2026-08-04T09:00:37Z","type":"stable","version":"v1.89.0"},{"url":"https://github.com/rubocop/rubocop/releases/tag/v1.88.2","date":"2026-07-08T06:22:30Z","type":"stable","version":"v1.88.2"},{"url":"https://github.com/rubocop/rubocop/releases/tag/v1.88.1","date":"2026-07-01T09:52:01Z","type":"stable","version":"v1.88.1"},{"url":"https://github.com/rubocop/rubocop/releases/tag/v1.88.0","date":"2026-06-16T05:10:59Z","type":"stable","version":"v1.88.0"},{"url":"https://github.com/rubocop/rubocop/releases/tag/v1.87.0","date":"2026-05-30T08:52:19Z","type":"stable","version":"v1.87.0"},{"url":"https://github.com/rubocop/rubocop/releases/tag/v1.86.2","date":"2026-05-14T05:26:06Z","type":"stable","version":"v1.86.2"},{"url":"https://github.com/rubocop/rubocop/releases/tag/v1.86.1","date":"2026-04-09T06:12:37Z","type":"stable","version":"v1.86.1"},{"url":"https://github.com/rubocop/rubocop/releases/tag/v1.86.0","date":"2026-03-23T10:39:38Z","type":"stable","version":"v1.86.0"},{"url":"https://github.com/rubocop/rubocop/releases/tag/v1.85.1","date":"2026-03-05T10:22:56Z","type":"stable","version":"v1.85.1"},{"url":"https://github.com/rubocop/rubocop/releases/tag/v1.85.0","date":"2026-02-26T09:50:24Z","type":"stable","version":"v1.85.0"},{"url":"https://github.com/rubocop/rubocop/releases/tag/v1.84.2","date":"2026-02-12T07:25:18Z","type":"stable","version":"v1.84.2"},{"url":"https://github.com/rubocop/rubocop/releases/tag/v1.84.1","date":"2026-02-03T01:55:56Z","type":"stable","version":"v1.84.1"},{"url":"https://github.com/rubocop/rubocop/releases/tag/v1.84.0","date":"2026-01-27T09:57:17Z","type":"stable","version":"v1.84.0"},{"url":"https://github.com/rubocop/rubocop/releases/tag/v1.82.1","date":"2025-12-24T08:47:02Z","type":"stable","version":"v1.82.1"},{"url":"https://github.com/rubocop/rubocop/releases/tag/v1.82.0","date":"2025-12-17T10:25:17Z","type":"stable","version":"v1.82.0"},{"url":"https://github.com/rubocop/rubocop/releases/tag/v1.81.7","date":"2025-10-31T09:01:14Z","type":"stable","version":"v1.81.7"},{"url":"https://github.com/rubocop/rubocop/releases/tag/v1.81.6","date":"2025-10-21T07:34:59Z","type":"stable","version":"v1.81.6"}]` |
| security.scorecard | 8 | 5.1 |
| 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":1,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=rubygems&package_name=rubocop&per_page=100","last_12m":0,"max_severity":"LOW"}` |

## Capabilities (Code Quality Tools)

| Capability | Pylint | RuboCop |
|---|:--:|:--:|
| **Core** |  |  |
| Function | Linter | Linter + formatter |
| Language scope | Single-language | Single-language |
| Implementation language | Python | Ruby |
| **Capability** |  |  |
| Autofix | ✓ | ✓ |
| **Config** |  |  |
| Config model | Config file | 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 2026-10-16T21:33:30.051Z. "-" = undocumented, not absent.*