# Phoenix vs Spring Boot

| Attribute | Phoenix | Spring Boot |
|---|---|---|
| **vioscaleAI score** | 63.9 (77% (high)) | 65.8 (51% (medium)) |
| activity.commits_last_30d | 19 | 100 |
| adoption.dependent_repos | 21,610 | 164,184 |
| adoption.github_stars | 23,173 | 81,557 |
| content.faq | `[{"answer":"Phoenix is an Elixir-based web framework for building real-time, interactive applications with built-in GraphQL and REST API support and production-scale reliability. It is indexed under Web Frameworks.","source":"https://www.phoenixframework.org","question":"What is Phoenix?","confidence":0.6},{"answer":"Phoenix 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://www.phoenixframework.org","question":"Is Phoenix free to use?","confidence":0.6},{"answer":"We have confirmed browser-based access to Phoenix. That is the extent of what we could verify from public sources, so it may well offer desktop or mobile clients we have not indexed.","source":"https://www.phoenixframework.org","question":"What platforms does Phoenix support?","confidence":0.6},{"answer":"Yes. Phoenix can be deployed cloud / SaaS and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://www.phoenixframework.org","question":"Can Phoenix be self-hosted?","confidence":0.6},{"answer":"We have confirmed 6 integrations for Phoenix, including Absinthe, Relay, PostgreSQL, MySQL, SQLite and SQL Server. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://www.phoenixframework.org","question":"What does Phoenix integrate with?","confidence":0.6},{"answer":"Yes. Phoenix 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/phoenixframework/phoenix","question":"Is Phoenix open source?","confidence":0.95}]` | `[{"answer":"A Spring-based framework that provides opinionated defaults and pre-configured dependencies to simplify Java application development, allowing developers to create deployable applications without extensive setup. It is indexed under Web Frameworks.","source":"https://spring.io/projects/spring-boot","question":"What is Spring Boot?","confidence":0.6},{"answer":"Yes. Spring Boot can be deployed self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://spring.io/projects/spring-boot","question":"Can Spring Boot be self-hosted?","confidence":0.6},{"answer":"Yes. Spring Boot 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/spring-projects/spring-boot","question":"Is Spring Boot open source?","confidence":0.95}]` |
| deployment.options | `{"cloud":true,"self_hosted":true}` | `{"self_hosted":true}` |
| description.long | Phoenix is an Elixir-based web framework for building real-time, interactive applications with built-in GraphQL and REST API support and production-scale reliability. | Enables developers to create complete server applications quickly using embedded web servers, automatic dependency configuration, and built-in operational features. |
| features.capabilities | `{"language":"Elixir","rendering":"ssr","api_routes":true,"license_type":"MIT/BSD","orm_included":true,"streaming_ssr":true,"language_runtime":"Elixir","server_components":true,"websocket_support":true,"templating_included":true}` | `{"language":"Java","api_routes":true,"server_components":true,"architecture_style":"structured-di","dependency_injection":true}` |
| integrations.count | 5 | - |
| integrations.list | `[{"name":"Absinthe"},{"name":"Relay"},{"name":"PostgreSQL","native":true,"category":"database","direction":"bidirectional"},{"name":"MySQL","native":true,"category":"database","direction":"bidirectional"},{"name":"SQLite","native":true,"category":"database","direction":"bidirectional"},{"name":"SQL Server","native":true,"category":"database","direction":"bidirectional"}]` | - |
| language.primary | Elixir | Java |
| license.spdx | MIT | Apache-2.0 |
| platform.support | `{"web":true}` | - |
| pricing | `{"type":"open_source","sourceUrl":"https://www.phoenixframework.org","retrievedAt":"2026-08-16T21:36:08.561Z"}` | `{"type":"hybrid","freeTier":true,"sourceUrl":"https://spring.io/projects/spring-boot","retrievedAt":"2026-10-05T11:07:44.884Z"}` |
| pricing.free_tier | - | yes |
| pricing.model | open_source | freemium |
| pricing.price_level | free | low |
| release.cadence_days | 15 | - |
| release.history | `[{"url":"https://github.com/phoenixframework/phoenix/releases/tag/v1.8.15","date":"2026-09-25T13:18:38Z","type":"stable","version":"v1.8.15"},{"url":"https://github.com/phoenixframework/phoenix/releases/tag/v1.8.14","date":"2026-09-14T09:39:15Z","type":"stable","version":"v1.8.14"},{"url":"https://github.com/phoenixframework/phoenix/releases/tag/v1.8.13","date":"2026-08-25T09:11:11Z","type":"stable","version":"v1.8.13"},{"url":"https://github.com/phoenixframework/phoenix/releases/tag/v1.8.12","date":"2026-08-20T18:05:53Z","type":"stable","version":"v1.8.12"},{"url":"https://github.com/phoenixframework/phoenix/releases/tag/v1.8.11","date":"2026-08-12T07:55:29Z","type":"stable","version":"v1.8.11"},{"url":"https://github.com/phoenixframework/phoenix/releases/tag/v1.8.10","date":"2026-08-10T16:25:23Z","type":"stable","version":"v1.8.10"},{"url":"https://github.com/phoenixframework/phoenix/releases/tag/v1.5.3","date":"2020-06-26T11:06:09Z","type":"stable","version":"v1.5.3"},{"url":"https://github.com/phoenixframework/phoenix/releases/tag/v1.2.1","date":"2016-08-11T19:49:39Z","type":"stable","version":"v1.2.1"},{"url":"https://github.com/phoenixframework/phoenix/releases/tag/v1.2.0","date":"2016-06-23T15:51:11Z","type":"stable","version":"v1.2.0"},{"url":"https://github.com/phoenixframework/phoenix/releases/tag/v1.2.0-rc.1","date":"2016-06-03T22:10:19Z","type":"stable","version":"v1.2.0-rc.1"},{"url":"https://github.com/phoenixframework/phoenix/releases/tag/v1.2.0-rc.0","date":"2016-05-01T13:02:05Z","type":"stable","version":"v1.2.0-rc.0"},{"url":"https://github.com/phoenixframework/phoenix/releases/tag/v1.1.3","date":"2016-01-20T15:35:11Z","type":"stable","version":"v1.1.3"},{"url":"https://github.com/phoenixframework/phoenix/releases/tag/v1.1.2","date":"2016-01-08T20:48:03Z","type":"stable","version":"v1.1.2"},{"url":"https://github.com/phoenixframework/phoenix/releases/tag/v1.1.1","date":"2015-12-26T20:13:30Z","type":"stable","version":"v1.1.1"},{"url":"https://github.com/phoenixframework/phoenix/releases/tag/v1.1.0","date":"2015-12-16T15:14:03Z","type":"stable","version":"v1.1.0"},{"url":"https://github.com/phoenixframework/phoenix/releases/tag/v1.0.4","date":"2015-11-30T21:51:39Z","type":"stable","version":"v1.0.4"},{"url":"https://github.com/phoenixframework/phoenix/releases/tag/v1.0.3","date":"2015-09-28T21:21:48Z","type":"stable","version":"v1.0.3"},{"url":"https://github.com/phoenixframework/phoenix/releases/tag/v1.0.2","date":"2015-09-06T23:30:25Z","type":"stable","version":"v1.0.2"},{"url":"https://github.com/phoenixframework/phoenix/releases/tag/v1.0.1","date":"2015-09-03T17:23:22Z","type":"stable","version":"v1.0.1"},{"url":"https://github.com/phoenixframework/phoenix/releases/tag/v1.0.0","date":"2015-08-28T15:59:27Z","type":"stable","version":"v1.0.0"}]` | `[{"url":"https://github.com/spring-projects/spring-boot/releases/tag/v4.2.0-M2","date":"2026-09-24T10:38:37Z","type":"prerelease","version":"v4.2.0-M2"},{"url":"https://github.com/spring-projects/spring-boot/releases/tag/v4.2.0-M1","date":"2026-08-20T20:09:59Z","type":"prerelease","version":"v4.2.0-M1"},{"url":"https://github.com/spring-projects/spring-boot/releases/tag/v4.1.1","date":"2026-08-20T20:02:36Z","type":"stable","version":"v4.1.1"},{"url":"https://github.com/spring-projects/spring-boot/releases/tag/v4.0.8","date":"2026-08-21T02:39:58Z","type":"stable","version":"v4.0.8"},{"url":"https://github.com/spring-projects/spring-boot/releases/tag/v3.5.16","date":"2026-06-25T11:00:26Z","type":"stable","version":"v3.5.16"},{"url":"https://github.com/spring-projects/spring-boot/releases/tag/v4.1.0","date":"2026-06-10T18:21:42Z","type":"stable","version":"v4.1.0"},{"url":"https://github.com/spring-projects/spring-boot/releases/tag/v4.0.7","date":"2026-06-10T18:50:46Z","type":"stable","version":"v4.0.7"},{"url":"https://github.com/spring-projects/spring-boot/releases/tag/v3.5.15","date":"2026-06-10T19:30:46Z","type":"stable","version":"v3.5.15"},{"url":"https://github.com/spring-projects/spring-boot/releases/tag/v4.1.0-RC1","date":"2026-04-23T15:54:20Z","type":"prerelease","version":"v4.1.0-RC1"},{"url":"https://github.com/spring-projects/spring-boot/releases/tag/v4.0.6","date":"2026-04-23T15:39:24Z","type":"stable","version":"v4.0.6"},{"url":"https://github.com/spring-projects/spring-boot/releases/tag/v3.5.14","date":"2026-04-23T16:01:25Z","type":"stable","version":"v3.5.14"},{"url":"https://github.com/spring-projects/spring-boot/releases/tag/v4.1.0-M4","date":"2026-03-26T11:04:53Z","type":"prerelease","version":"v4.1.0-M4"},{"url":"https://github.com/spring-projects/spring-boot/releases/tag/v4.0.5","date":"2026-03-26T11:05:31Z","type":"stable","version":"v4.0.5"},{"url":"https://github.com/spring-projects/spring-boot/releases/tag/v3.5.13","date":"2026-03-26T11:03:01Z","type":"stable","version":"v3.5.13"},{"url":"https://github.com/spring-projects/spring-boot/releases/tag/v4.1.0-M3","date":"2026-03-20T02:49:46Z","type":"prerelease","version":"v4.1.0-M3"},{"url":"https://github.com/spring-projects/spring-boot/releases/tag/v4.0.4","date":"2026-03-19T13:51:25Z","type":"stable","version":"v4.0.4"},{"url":"https://github.com/spring-projects/spring-boot/releases/tag/v3.5.12","date":"2026-03-19T14:01:08Z","type":"stable","version":"v3.5.12"},{"url":"https://github.com/spring-projects/spring-boot/releases/tag/v4.1.0-M2","date":"2026-02-19T18:05:50Z","type":"prerelease","version":"v4.1.0-M2"},{"url":"https://github.com/spring-projects/spring-boot/releases/tag/v4.0.3","date":"2026-02-19T14:02:24Z","type":"stable","version":"v4.0.3"},{"url":"https://github.com/spring-projects/spring-boot/releases/tag/v3.5.11","date":"2026-02-19T11:51:10Z","type":"stable","version":"v3.5.11"}]` |
| reliability.status_page | - | yes |
| security.disclosure_policy | - | yes |
| security.scorecard | 7.1 | 7.2 |
| security.vulnerabilities | `{"count":8,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=hex&package_name=phoenix&per_page=100","last_12m":6,"max_severity":"HIGH"}` | `{"count":2,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=maven&package_name=org.springframework.boot%3Aspring-boot-starter-actuator&per_page=100","last_12m":2,"max_severity":"HIGH"}` |

## Capabilities (Web Frameworks)

| Capability | Phoenix | Spring Boot |
|---|:--:|:--:|
| **Core** |  |  |
| Rendering model | Server-side | - |
| File-based routing | - | - |
| Language | Elixir | Java |
| **Rendering** |  |  |
| Server components | ✓ | ✓ |
| Streaming SSR | ✓ | - |
| **Fullstack** |  |  |
| Built-in API / backend routes | ✓ | ✓ |
| **DX** |  |  |
| First-class TypeScript | - | - |
| Fast refresh / HMR | - | - |
| **Deployment** |  |  |
| Edge runtime support | - | - |

*Source: vioscaleAI. Generated 2026-10-16T19:15:28.171Z. "-" = undocumented, not absent.*