# Axum vs Ruby on Rails

**Leader by vioscaleAI score:** Ruby on Rails

| Attribute | Axum | Ruby on Rails |
|---|---|---|
| **vioscaleAI score** | 49.3 (52% (medium)) | 71.8 (51% (medium)) |
| activity.commits_last_30d | 22 | 100 |
| adoption.dependent_repos | 4,645 | 1,358,186 |
| adoption.github_stars | 27,453 | 58,803 |
| content.faq | `[{"answer":"A Rust library enabling declarative HTTP routing, request data parsing, and response generation for web service development with minimal boilerplate It is indexed under Backend Frameworks.","source":"https://github.com/pricing","question":"What is Axum?","confidence":0.6},{"answer":"Axum 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://github.com/pricing","question":"Is Axum free to use?","confidence":0.6},{"answer":"Yes. Axum 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/tokio-rs/axum","question":"Is Axum open source?","confidence":0.95}]` | `[{"answer":"A complete web application framework for Ruby that provides integrated tools, libraries, and conventions for building database-backed web applications across the full stack—from database models to frontend templates and controllers. It is indexed under Web Frameworks.","source":"https://rubyonrails.org","question":"What is Ruby on Rails?","confidence":0.6},{"answer":"Ruby on Rails 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://rubyonrails.org","question":"Is Ruby on Rails free to use?","confidence":0.6},{"answer":"Ruby on Rails supports the web and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://rubyonrails.org","question":"What platforms does Ruby on Rails support?","confidence":0.6},{"answer":"Yes. Ruby on Rails can be deployed cloud / SaaS and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://rubyonrails.org","question":"Can Ruby on Rails be self-hosted?","confidence":0.6},{"answer":"Yes. Ruby on Rails 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/rails/rails","question":"Is Ruby on Rails open source?","confidence":0.95}]` |
| deployment.options | - | `{"cloud":true,"self_hosted":true}` |
| description.long | A Rust library enabling declarative HTTP routing, request data parsing, and response generation for web service development with minimal boilerplate | A full-stack framework for building web applications with integrated database modeling, templating, email handling, real-time WebSocket support, background job processing, and security features. |
| features.capabilities | `{"api_first":true,"async_model":"event-loop-async","language_runtime":"Rust"}` | `{"language":"Ruby","rendering":"ssr","api_routes":true,"file_routing":true,"license_type":"MIT/BSD","orm_included":true,"cli_scaffolding":true,"language_runtime":"Ruby","typescript_first":false,"websocket_support":true,"architecture_style":"full-stack-mvc","templating_included":true,"background_jobs_included":true}` |
| language.primary | Rust | Ruby |
| license.spdx | MIT | MIT |
| platform.support | - | `{"web":true}` |
| pricing | `{"type":"open_source","sourceUrl":"https://github.com/pricing","retrievedAt":"2026-10-12T15:24:45.199Z"}` | `{"type":"open_source","sourceUrl":"https://rubyonrails.org","retrievedAt":"2026-08-16T21:36:16.955Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | open_source | open_source |
| pricing.price_level | free | free |
| release.history | `[{"url":"https://github.com/tokio-rs/axum/releases/tag/axum-v0.8.9","date":"2026-04-14T09:39:51Z","type":"stable","version":"axum-v0.8.9"},{"url":"https://github.com/tokio-rs/axum/releases/tag/axum-macros-v0.5.1","date":"2026-04-14T09:38:41Z","type":"stable","version":"axum-macros-v0.5.1"},{"url":"https://github.com/tokio-rs/axum/releases/tag/axum-extra-v0.12.6","date":"2026-04-14T09:38:05Z","type":"stable","version":"axum-extra-v0.12.6"},{"url":"https://github.com/tokio-rs/axum/releases/tag/axum-core-v0.5.6","date":"2025-12-27T09:20:22Z","type":"stable","version":"axum-core-v0.5.6"},{"url":"https://github.com/tokio-rs/axum/releases/tag/axum-v0.8.8","date":"2025-12-20T16:30:57Z","type":"stable","version":"axum-v0.8.8"},{"url":"https://github.com/tokio-rs/axum/releases/tag/axum-extra-v0.12.3","date":"2025-12-20T16:31:25Z","type":"stable","version":"axum-extra-v0.12.3"},{"url":"https://github.com/tokio-rs/axum/releases/tag/axum-v0.8.7","date":"2025-11-14T21:21:07Z","type":"stable","version":"axum-v0.8.7"},{"url":"https://github.com/tokio-rs/axum/releases/tag/axum-extra-v0.12.2","date":"2025-11-14T21:22:28Z","type":"stable","version":"axum-extra-v0.12.2"},{"url":"https://github.com/tokio-rs/axum/releases/tag/axum-extra-v0.12.0","date":"2025-10-31T20:28:26Z","type":"stable","version":"axum-extra-v0.12.0"},{"url":"https://github.com/tokio-rs/axum/releases/tag/axum-v0.8.5","date":"2025-09-28T19:14:00Z","type":"stable","version":"axum-v0.8.5"},{"url":"https://github.com/tokio-rs/axum/releases/tag/axum-extra-v0.10.2","date":"2025-09-28T19:14:47Z","type":"stable","version":"axum-extra-v0.10.2"},{"url":"https://github.com/tokio-rs/axum/releases/tag/axum-core-v0.5.4","date":"2025-09-28T21:12:13Z","type":"stable","version":"axum-core-v0.5.4"},{"url":"https://github.com/tokio-rs/axum/releases/tag/axum-core-v0.5.3","date":"2025-09-28T19:13:22Z","type":"stable","version":"axum-core-v0.5.3"},{"url":"https://github.com/tokio-rs/axum/releases/tag/axum-v0.8.4","date":"2025-04-30T16:12:40Z","type":"stable","version":"axum-v0.8.4"},{"url":"https://github.com/tokio-rs/axum/releases/tag/axum-v0.8.3","date":"2025-03-28T16:30:33Z","type":"stable","version":"axum-v0.8.3"},{"url":"https://github.com/tokio-rs/axum/releases/tag/axum-extra-v0.10.1","date":"2025-03-28T16:31:05Z","type":"stable","version":"axum-extra-v0.10.1"},{"url":"https://github.com/tokio-rs/axum/releases/tag/axum-core-v0.5.2","date":"2025-03-28T16:30:07Z","type":"stable","version":"axum-core-v0.5.2"},{"url":"https://github.com/tokio-rs/axum/releases/tag/axum-v0.8.2","date":"2025-01-21T17:09:06Z","type":"stable","version":"axum-v0.8.2"},{"url":"https://github.com/tokio-rs/axum/releases/tag/axum-extra-v0.11.0","date":"2025-01-21T17:09:52Z","type":"stable","version":"axum-extra-v0.11.0"},{"url":"https://github.com/tokio-rs/axum/releases/tag/axum-core-v0.5.1","date":"2025-01-21T17:08:36Z","type":"stable","version":"axum-core-v0.5.1"}]` | `[{"url":"https://github.com/rails/rails/releases/tag/v8.1.4","date":"2026-09-24T14:19:52Z","type":"stable","version":"v8.1.4"},{"url":"https://github.com/rails/rails/releases/tag/v7.2.4","date":"2026-09-24T16:28:35Z","type":"stable","version":"v7.2.4"},{"url":"https://github.com/rails/rails/releases/tag/v8.1.3.1","date":"2026-07-29T14:59:54Z","type":"stable","version":"v8.1.3.1"},{"url":"https://github.com/rails/rails/releases/tag/v8.0.5.1","date":"2026-07-29T15:08:22Z","type":"stable","version":"v8.0.5.1"},{"url":"https://github.com/rails/rails/releases/tag/v7.2.3.2","date":"2026-07-29T15:05:22Z","type":"stable","version":"v7.2.3.2"},{"url":"https://github.com/rails/rails/releases/tag/v8.1.3","date":"2026-03-24T20:26:02Z","type":"stable","version":"v8.1.3"},{"url":"https://github.com/rails/rails/releases/tag/v8.0.5","date":"2026-03-24T20:19:33Z","type":"stable","version":"v8.0.5"},{"url":"https://github.com/rails/rails/releases/tag/v8.1.2.1","date":"2026-03-23T19:42:42Z","type":"stable","version":"v8.1.2.1"},{"url":"https://github.com/rails/rails/releases/tag/v8.0.4.1","date":"2026-03-23T19:38:25Z","type":"stable","version":"v8.0.4.1"},{"url":"https://github.com/rails/rails/releases/tag/v7.2.3.1","date":"2026-03-23T19:32:34Z","type":"stable","version":"v7.2.3.1"},{"url":"https://github.com/rails/rails/releases/tag/v8.1.2","date":"2026-01-08T20:17:17Z","type":"stable","version":"v8.1.2"},{"url":"https://github.com/rails/rails/releases/tag/v8.1.1","date":"2025-10-28T23:46:29Z","type":"stable","version":"v8.1.1"},{"url":"https://github.com/rails/rails/releases/tag/v8.0.4","date":"2025-10-28T23:43:23Z","type":"stable","version":"v8.0.4"},{"url":"https://github.com/rails/rails/releases/tag/v7.2.3","date":"2025-10-28T23:24:18Z","type":"stable","version":"v7.2.3"},{"url":"https://github.com/rails/rails/releases/tag/v7.1.6","date":"2025-10-28T23:19:19Z","type":"stable","version":"v7.1.6"},{"url":"https://github.com/rails/rails/releases/tag/v7.0.10","date":"2025-10-28T23:12:55Z","type":"stable","version":"v7.0.10"},{"url":"https://github.com/rails/rails/releases/tag/v7.0.9","date":"2025-10-28T23:02:29Z","type":"stable","version":"v7.0.9"},{"url":"https://github.com/rails/rails/releases/tag/v8.1.0","date":"2025-10-22T00:35:05Z","type":"stable","version":"v8.1.0"},{"url":"https://github.com/rails/rails/releases/tag/v8.1.0.rc1","date":"2025-10-15T00:50:43Z","type":"prerelease","version":"v8.1.0.rc1"},{"url":"https://github.com/rails/rails/releases/tag/v8.0.3","date":"2025-09-22T22:19:48Z","type":"stable","version":"v8.0.3"}]` |
| security.disclosure_policy | - | yes |
| security.scorecard | 5.5 | 6.4 |
| security.trust_center | https://github.com/security | https://rubyonrails.org/security |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=cargo&package_name=axum&per_page=100","last_12m":0,"max_severity":null}` | `{"count":18,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=rubygems&package_name=activesupport&per_page=100","last_12m":3,"max_severity":"CRITICAL"}` |

## Capabilities (Backend Frameworks)

| Capability | Axum | Ruby on Rails |
|---|:--:|:--:|
| **Capabilities** |  |  |
| Language runtime | Rust | Ruby |
| Architecture style | - | Full stack mvc |
| Async model | Event loop async | - |
| Orm included | - | ✓ |
| Templating included | - | ✓ |
| Dependency injection | - | - |
| CLI scaffolding | - | ✓ |
| Openapi autogen | - | - |
| Websocket support | - | ✓ |
| Background jobs included | - | ✓ |
| Testing framework included | - | - |
| API first | ✓ | - |
| Admin UI generated | - | - |
| License type | - | MIT/BSD |

*Source: vioscaleAI. Generated 2026-10-16T21:23:18.936Z. "-" = undocumented, not absent.*