# mypy vs Oxc/oxlint

**Leader by vioscaleAI score:** mypy

| Attribute | mypy | Oxc/oxlint |
|---|---|---|
| **vioscaleAI score** | 69.4 (66% (medium)) | 53.2 (41% (low)) |
| activity.commits_last_30d | 100 | 100 |
| adoption.dependent_repos | 52,771 | 1 |
| adoption.github_stars | 20,682 | 23,029 |
| adoption.package_downloads_weekly | 42,892,033 | - |
| content.faq | `[{"answer":"A type analysis tool for Python that enables code to transition from pure dynamic typing to statically-typed code through annotations, with error detection at check time. Code runs with negligible performance impact and developers can incrementally adopt static types in existing projects. It is indexed under Code Quality Tools.","source":"https://mypy-lang.org","question":"What is mypy?","confidence":0.6},{"answer":"mypy is open source, so it can be self-hosted and used at no licence cost. Pricing changes often, so verify at source before relying on it.","source":"https://mypy-lang.org","question":"Is mypy free to use?","confidence":0.6},{"answer":"mypy supports a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://mypy-lang.org","question":"What platforms does mypy support?","confidence":0.6}]` | `[{"answer":"An open-source toolkit providing linting, formatting, parsing, transformation, module resolution, and minification for JavaScript and TypeScript through Rust implementation, achieving significantly higher performance than comparable tools. It is indexed under Code Quality Tools.","source":"https://oxc.rs/","question":"What is Oxc/oxlint?","confidence":0.6},{"answer":"Oxc/oxlint 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://oxc.rs/","question":"Is Oxc/oxlint free to use?","confidence":0.6},{"answer":"Oxc/oxlint supports a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://oxc.rs/","question":"What platforms does Oxc/oxlint support?","confidence":0.6},{"answer":"Yes. Oxc/oxlint can be deployed self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://oxc.rs/","question":"Can Oxc/oxlint be self-hosted?","confidence":0.6},{"answer":"We have confirmed 4 integrations for Oxc/oxlint, including ESLint, Tailwind, React and styled-components. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://oxc.rs/","question":"What does Oxc/oxlint integrate with?","confidence":0.6},{"answer":"Yes. Oxc/oxlint 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/oxc-project/oxc","question":"Is Oxc/oxlint open source?","confidence":0.95}]` |
| deployment.options | `{"self_hosted":true}` | `{"self_hosted":true}` |
| description.long | A static type checker that analyzes Python code to catch type errors before runtime. Supports gradual typing, allowing you to mix static and dynamic typing and incrementally add type hints to existing codebases. | A fast, unified toolchain for JavaScript and TypeScript development, built in Rust, featuring oxlint for code linting and oxfmt for code formatting, along with additional capabilities for minification, transformation, and code generation. |
| features.capabilities | `{"autofix":false,"metrics":false,"function":"type_checker","ci_gating":true,"deployment":"cli_local","incremental":true,"open_source":"oss","custom_rules":false,"impl_language":"Python","pricing_model":"free","language_scope":"single_language","editor_integration":true}` | `{"autofix":true,"function":"quality_platform","ci_gating":true,"deployment":"cli_local","open_source":"oss","config_model":"config_file","custom_rules":true,"impl_language":"Rust","pricing_model":"free","language_scope":"single_language","editor_integration":true}` |
| integrations.count | 1 | 4 |
| integrations.list | `[{"name":"VS Code","native":true}]` | `[{"name":"ESLint"},{"name":"Tailwind"},{"name":"React"},{"name":"styled-components"}]` |
| language.primary | Python | Rust |
| license.spdx | - | MIT |
| platform.support | `{"cli":true}` | `{"cli":true}` |
| pricing | `{"type":"open_source","sourceUrl":"https://mypy-lang.org","retrievedAt":"2026-08-14T13:45:01.127Z"}` | `{"type":"open_source","plans":[{"free":true,"name":"Open Source","features":["Linting with 800+ rules","Code formatting","JavaScript/TypeScript parsing","Code transformation","Module resolution","Code minification"],"description":"Free and open source software","contactSales":false}],"summary":"Free and open source","freeTier":true,"sourceUrl":"https://oxc.rs/","retrievedAt":"2026-08-14T10:22:40.073Z"}` |
| pricing.free_tier | - | yes |
| pricing.model | open_source | open_source |
| pricing.price_level | free | free |
| pricing.transparent | - | yes |
| release.cadence_days | - | 2 |
| release.history | - | `[{"url":"https://github.com/oxc-project/oxc/releases/tag/oxlint_v1.88.0","date":"2026-10-13T09:47:50Z","type":"stable","version":"oxlint_v1.88.0"},{"url":"https://github.com/oxc-project/oxc/releases/tag/oxfmt_v0.73.0","date":"2026-10-13T09:47:44Z","type":"stable","version":"oxfmt_v0.73.0"},{"url":"https://github.com/oxc-project/oxc/releases/tag/crates_v0.154.0","date":"2026-10-13T09:16:39Z","type":"stable","version":"crates_v0.154.0"},{"url":"https://github.com/oxc-project/oxc/releases/tag/oxlint_v1.87.0","date":"2026-10-05T11:04:25Z","type":"stable","version":"oxlint_v1.87.0"},{"url":"https://github.com/oxc-project/oxc/releases/tag/oxfmt_v0.72.0","date":"2026-10-05T11:04:20Z","type":"stable","version":"oxfmt_v0.72.0"},{"url":"https://github.com/oxc-project/oxc/releases/tag/crates_v0.153.0","date":"2026-10-05T10:18:40Z","type":"stable","version":"crates_v0.153.0"},{"url":"https://github.com/oxc-project/oxc/releases/tag/oxlint_v1.86.0","date":"2026-09-28T10:29:50Z","type":"stable","version":"oxlint_v1.86.0"},{"url":"https://github.com/oxc-project/oxc/releases/tag/oxfmt_v0.71.0","date":"2026-09-28T10:29:44Z","type":"stable","version":"oxfmt_v0.71.0"},{"url":"https://github.com/oxc-project/oxc/releases/tag/crates_v0.152.0","date":"2026-09-28T09:50:37Z","type":"stable","version":"crates_v0.152.0"},{"url":"https://github.com/oxc-project/oxc/releases/tag/oxlint_v1.85.0","date":"2026-09-21T15:31:51Z","type":"stable","version":"oxlint_v1.85.0"},{"url":"https://github.com/oxc-project/oxc/releases/tag/oxfmt_v0.70.0","date":"2026-09-21T15:31:46Z","type":"stable","version":"oxfmt_v0.70.0"},{"url":"https://github.com/oxc-project/oxc/releases/tag/crates_v0.151.0","date":"2026-09-21T12:27:01Z","type":"stable","version":"crates_v0.151.0"},{"url":"https://github.com/oxc-project/oxc/releases/tag/apps_v1.84.0","date":"2026-09-21T13:03:33Z","type":"stable","version":"apps_v1.84.0"},{"url":"https://github.com/oxc-project/oxc/releases/tag/crates_v0.150.0","date":"2026-09-14T11:37:46Z","type":"stable","version":"crates_v0.150.0"},{"url":"https://github.com/oxc-project/oxc/releases/tag/apps_v1.83.0","date":"2026-09-14T12:12:16Z","type":"stable","version":"apps_v1.83.0"},{"url":"https://github.com/oxc-project/oxc/releases/tag/crates_v0.149.0","date":"2026-09-07T14:41:19Z","type":"stable","version":"crates_v0.149.0"},{"url":"https://github.com/oxc-project/oxc/releases/tag/apps_v1.82.0","date":"2026-09-07T14:57:00Z","type":"stable","version":"apps_v1.82.0"},{"url":"https://github.com/oxc-project/oxc/releases/tag/crates_v0.148.0","date":"2026-09-01T08:27:31Z","type":"stable","version":"crates_v0.148.0"},{"url":"https://github.com/oxc-project/oxc/releases/tag/apps_v1.81.0","date":"2026-09-01T15:17:51Z","type":"stable","version":"apps_v1.81.0"},{"url":"https://github.com/oxc-project/oxc/releases/tag/crates_v0.147.0","date":"2026-08-24T11:31:39Z","type":"stable","version":"crates_v0.147.0"}]` |
| security.scorecard | 6.8 | - |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=mypy&per_page=100","last_12m":0,"max_severity":null}` | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=oxlint&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (Code Quality Tools)

| Capability | mypy | Oxc/oxlint |
|---|:--:|:--:|
| **Core** |  |  |
| Function | Type checker | Quality platform |
| 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 2026-10-16T20:15:22.732Z. "-" = undocumented, not absent.*