# Black vs Clippy

**Leader by vioscaleAI score:** Black

| Attribute | Black | Clippy |
|---|---|---|
| **vioscaleAI score** | 73.9 (77% (high)) | 56.1 (43% (low)) |
| activity.commits_last_30d | 75 | 100 |
| adoption.dependent_repos | 105,588 | 325 |
| adoption.github_stars | 41,918 | 119,787 |
| adoption.package_downloads_weekly | 27,633,532 | - |
| content.faq | `[{"answer":"An opinionated Python code formatter that automatically reformats code according to a standardized style. It produces minimal diffs for cleaner code review and reduces developer cognitive load by removing formatting decisions, allowing focus on code logic. It is indexed under Code Quality Tools.","source":"https://black.readthedocs.io/en/stable/","question":"What is Black?","confidence":0.6},{"answer":"Black 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://black.readthedocs.io/en/stable/","question":"Is Black free to use?","confidence":0.6},{"answer":"Black supports a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://black.readthedocs.io/en/stable/","question":"What platforms does Black support?","confidence":0.6},{"answer":"Yes. Black can be deployed self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://black.readthedocs.io/en/stable/","question":"Can Black be self-hosted?","confidence":0.6},{"answer":"We have confirmed 8 integrations for Black, including Neovim, conform.nvim, ALE, SublimeText, Pre-commit, Jupyter Notebooks, blacken-docs and blackdoc. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://black.readthedocs.io/en/stable/","question":"What does Black integrate with?","confidence":0.6},{"answer":"Yes. Black 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/psf/black","question":"Is Black open source?","confidence":0.95}]` | `[{"answer":"Clippy provides over 800 lints organized into configurable categories to catch common mistakes and improve Rust code quality. Lints are categorized by severity (correctness, suspicious, style, complexity, performance) and can be enabled or disabled individually. It is indexed under Code Quality Tools.","source":"https://doc.rust-lang.org/clippy/","question":"What is Clippy?","confidence":0.6},{"answer":"Clippy 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://doc.rust-lang.org/clippy/","question":"Is Clippy free to use?","confidence":0.6},{"answer":"Clippy supports a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://doc.rust-lang.org/clippy/","question":"What platforms does Clippy support?","confidence":0.6},{"answer":"Yes. Clippy 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/rust-lang/rust","question":"Is Clippy open source?","confidence":0.95}]` |
| deployment.options | `{"self_hosted":true}` | - |
| description.long | A Python code formatter that automatically reformats entire files to enforce consistent styling. It produces minimal diffs to accelerate code review and ensures uniform appearance across projects. | A comprehensive lint tool for Rust that identifies common coding mistakes, style issues, and performance problems, with configurable categories and levels of strictness. |
| features.capabilities | `{"autofix":true,"metrics":false,"function":"formatter","ci_gating":true,"deployment":"both","incremental":false,"open_source":"oss","config_model":"zero_config","custom_rules":false,"impl_language":"Python","pricing_model":"free","language_scope":"single_language","editor_integration":true}` | `{"function":"linter","deployment":"cli_local","open_source":"oss","config_model":"rule_packs","impl_language":"Rust","pricing_model":"free","language_scope":"single_language","editor_integration":true}` |
| integrations.count | 5 | - |
| integrations.list | `[{"name":"Neovim"},{"name":"conform.nvim"},{"name":"ALE"},{"name":"SublimeText"},{"name":"Pre-commit"},{"name":"Jupyter Notebooks"},{"name":"blacken-docs"},{"name":"blackdoc"},{"name":"Vim","native":true},{"name":"Visual Studio Code","native":true,"category":"editor","direction":"bidirectional"},{"name":"GitHub Actions","native":true,"category":"ci","direction":"inbound"}]` | - |
| language.primary | Python | Rust |
| license.spdx | MIT | Apache-2.0 |
| platform.support | `{"cli":true,"linux":true,"windows":true}` | `{"cli":true}` |
| pricing | `{"type":"free","summary":"Free and open source","freeTier":true,"sourceUrl":"https://black.readthedocs.io/en/stable/","retrievedAt":"2026-09-14T09:28:09.046Z"}` | `{"type":"open_source","sourceUrl":"https://doc.rust-lang.org/clippy/","retrievedAt":"2026-08-14T08:33:25.955Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | free | open_source |
| pricing.price_level | free | free |
| pricing.transparent | yes | - |
| release.cadence_days | 31 | 30 |
| release.history | `[{"url":"https://github.com/psf/black/releases/tag/26.10.1","date":"2026-10-10T04:11:33Z","type":"stable","version":"26.10.1"},{"url":"https://github.com/psf/black/releases/tag/26.10.0","date":"2026-10-04T16:50:23Z","type":"stable","version":"26.10.0"},{"url":"https://github.com/psf/black/releases/tag/26.5.1","date":"2026-05-18T16:52:38Z","type":"stable","version":"26.5.1"},{"url":"https://github.com/psf/black/releases/tag/26.5.0","date":"2026-05-16T17:56:23Z","type":"stable","version":"26.5.0"},{"url":"https://github.com/psf/black/releases/tag/26.3.1","date":"2026-03-12T03:35:15Z","type":"stable","version":"26.3.1"},{"url":"https://github.com/psf/black/releases/tag/26.3.0","date":"2026-03-06T17:41:48Z","type":"stable","version":"26.3.0"},{"url":"https://github.com/psf/black/releases/tag/26.1.0","date":"2026-01-18T04:49:25Z","type":"stable","version":"26.1.0"},{"url":"https://github.com/psf/black/releases/tag/26.1a1","date":"2025-12-08T01:46:21Z","type":"prerelease","version":"26.1a1"},{"url":"https://github.com/psf/black/releases/tag/25.12.0","date":"2025-12-08T01:40:32Z","type":"stable","version":"25.12.0"},{"url":"https://github.com/psf/black/releases/tag/25.11.0","date":"2025-11-10T01:53:31Z","type":"stable","version":"25.11.0"},{"url":"https://github.com/psf/black/releases/tag/25.9.0","date":"2025-09-19T00:27:15Z","type":"stable","version":"25.9.0"},{"url":"https://github.com/psf/black/releases/tag/25.1.0","date":"2025-01-29T04:15:11Z","type":"stable","version":"25.1.0"},{"url":"https://github.com/psf/black/releases/tag/24.10.0","date":"2024-10-07T19:20:06Z","type":"stable","version":"24.10.0"},{"url":"https://github.com/psf/black/releases/tag/24.8.0","date":"2024-08-02T17:42:53Z","type":"stable","version":"24.8.0"},{"url":"https://github.com/psf/black/releases/tag/24.4.2","date":"2024-04-26T00:31:27Z","type":"stable","version":"24.4.2"},{"url":"https://github.com/psf/black/releases/tag/24.4.1","date":"2024-04-24T15:17:30Z","type":"stable","version":"24.4.1"},{"url":"https://github.com/psf/black/releases/tag/24.4.0","date":"2024-04-12T20:13:48Z","type":"stable","version":"24.4.0"},{"url":"https://github.com/psf/black/releases/tag/24.3.0","date":"2024-03-15T19:35:14Z","type":"stable","version":"24.3.0"},{"url":"https://github.com/psf/black/releases/tag/24.2.0","date":"2024-02-12T20:20:40Z","type":"stable","version":"24.2.0"},{"url":"https://github.com/psf/black/releases/tag/24.1.1","date":"2024-01-28T05:28:09Z","type":"stable","version":"24.1.1"}]` | `[{"url":"https://github.com/rust-lang/rust/releases/tag/1.99.0","date":"2026-10-01T12:41:12Z","type":"stable","version":"1.99.0"},{"url":"https://github.com/rust-lang/rust/releases/tag/1.98.1","date":"2026-09-03T13:14:07Z","type":"stable","version":"1.98.1"},{"url":"https://github.com/rust-lang/rust/releases/tag/1.98.0","date":"2026-08-20T18:05:33Z","type":"stable","version":"1.98.0"},{"url":"https://github.com/rust-lang/rust/releases/tag/1.97.1","date":"2026-07-16T12:29:15Z","type":"stable","version":"1.97.1"},{"url":"https://github.com/rust-lang/rust/releases/tag/1.97.0","date":"2026-07-09T12:25:16Z","type":"stable","version":"1.97.0"},{"url":"https://github.com/rust-lang/rust/releases/tag/1.96.1","date":"2026-07-05T23:50:27Z","type":"stable","version":"1.96.1"},{"url":"https://github.com/rust-lang/rust/releases/tag/1.96.0","date":"2026-05-28T17:50:42Z","type":"stable","version":"1.96.0"},{"url":"https://github.com/rust-lang/rust/releases/tag/1.95.0","date":"2026-04-16T18:19:31Z","type":"stable","version":"1.95.0"},{"url":"https://github.com/rust-lang/rust/releases/tag/1.94.1","date":"2026-03-26T13:03:20Z","type":"stable","version":"1.94.1"},{"url":"https://github.com/rust-lang/rust/releases/tag/1.94.0","date":"2026-03-05T18:44:15Z","type":"stable","version":"1.94.0"},{"url":"https://github.com/rust-lang/rust/releases/tag/1.93.1","date":"2026-02-12T20:26:57Z","type":"stable","version":"1.93.1"},{"url":"https://github.com/rust-lang/rust/releases/tag/1.93.0","date":"2026-01-22T13:51:49Z","type":"stable","version":"1.93.0"},{"url":"https://github.com/rust-lang/rust/releases/tag/1.92.0","date":"2025-12-11T14:58:25Z","type":"stable","version":"1.92.0"},{"url":"https://github.com/rust-lang/rust/releases/tag/1.91.1","date":"2025-11-10T19:02:09Z","type":"stable","version":"1.91.1"},{"url":"https://github.com/rust-lang/rust/releases/tag/1.91.0","date":"2025-10-30T18:29:40Z","type":"stable","version":"1.91.0"},{"url":"https://github.com/rust-lang/rust/releases/tag/1.90.0","date":"2025-09-18T20:02:56Z","type":"stable","version":"1.90.0"},{"url":"https://github.com/rust-lang/rust/releases/tag/1.89.0","date":"2025-08-07T10:55:11Z","type":"stable","version":"1.89.0"},{"url":"https://github.com/rust-lang/rust/releases/tag/1.88.0","date":"2025-06-26T18:10:22Z","type":"stable","version":"1.88.0"},{"url":"https://github.com/rust-lang/rust/releases/tag/1.87.0","date":"2025-05-15T17:28:21Z","type":"stable","version":"1.87.0"},{"url":"https://github.com/rust-lang/rust/releases/tag/1.86.0","date":"2025-04-03T09:42:40Z","type":"stable","version":"1.86.0"}]` |
| security.disclosure_policy | yes | - |
| security.scorecard | 7.5 | 7.1 |
| security.vulnerabilities | `{"count":2,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=black&per_page=100","last_12m":1,"max_severity":"HIGH"}` | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=homebrew&package_name=rust&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (Code Quality Tools)

| Capability | Black | Clippy |
|---|:--:|:--:|
| **Core** |  |  |
| Function | Formatter | Linter |
| Language scope | Single-language | Single-language |
| Implementation language | Python | Rust |
| **Capability** |  |  |
| Autofix | ✓ | - |
| **Config** |  |  |
| Config model | Zero-config | Rule packs |
| **Extensibility** |  |  |
| Custom rules | ✗ | - |
| **Deployment** |  |  |
| Deployment | Both | 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 2026-10-16T20:08:50.176Z. "-" = undocumented, not absent.*
