# Phoenix vs SvelteKit

| Attribute | Phoenix | SvelteKit |
|---|---|---|
| **vioscaleAI score** | 63.9 (77% (high)) | 64.2 (67% (medium)) |
| activity.commits_last_30d | 19 | 47 |
| adoption.dependent_repos | 21,610 | 56,439 |
| adoption.github_stars | 23,173 | 88,371 |
| 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":"Svelte is a framework that compiles components into minimal browser code, enabling developers to create performant web applications with less boilerplate and smaller bundle sizes. It is indexed under Web Frameworks.","source":"https://kit.svelte.dev","question":"What is SvelteKit?","confidence":0.6},{"answer":"SvelteKit 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://kit.svelte.dev","question":"Is SvelteKit free to use?","confidence":0.6},{"answer":"We have confirmed browser-based access to SvelteKit. 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://kit.svelte.dev","question":"What platforms does SvelteKit support?","confidence":0.6},{"answer":"Yes. SvelteKit can be deployed self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://kit.svelte.dev","question":"Can SvelteKit be self-hosted?","confidence":0.6},{"answer":"Yes. SvelteKit 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/sveltejs/svelte","question":"Is SvelteKit 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. | A compiler-based UI framework that transforms concise component syntax into minimal browser code, using standard HTML, CSS, and JavaScript. |
| 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":"JavaScript","rendering":"csr","hot_reload":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 | JavaScript |
| license.spdx | MIT | MIT |
| market.availability | - | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"web":true}` | `{"web":true}` |
| pricing | `{"type":"open_source","sourceUrl":"https://www.phoenixframework.org","retrievedAt":"2026-08-16T21:36:08.561Z"}` | `{"type":"open_source","summary":"Free and open source (MIT license)","freeTier":true,"sourceUrl":"https://kit.svelte.dev","retrievedAt":"2026-08-03T12:19:10.877Z"}` |
| pricing.free_tier | - | yes |
| pricing.model | open_source | open_source |
| pricing.price_level | free | free |
| pricing.transparent | - | yes |
| release.cadence_days | 15 | 4 |
| 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/sveltejs/svelte/releases/tag/svelte%405.57.2","date":"2026-10-06T14:20:22Z","type":"stable","version":"svelte@5.57.2"},{"url":"https://github.com/sveltejs/svelte/releases/tag/svelte%405.57.1","date":"2026-09-18T23:51:13Z","type":"stable","version":"svelte@5.57.1"},{"url":"https://github.com/sveltejs/svelte/releases/tag/svelte%405.57.0","date":"2026-08-28T23:31:40Z","type":"stable","version":"svelte@5.57.0"},{"url":"https://github.com/sveltejs/svelte/releases/tag/svelte%405.56.10","date":"2026-08-20T19:20:58Z","type":"stable","version":"svelte@5.56.10"},{"url":"https://github.com/sveltejs/svelte/releases/tag/svelte%405.56.9","date":"2026-08-12T18:12:41Z","type":"stable","version":"svelte@5.56.9"},{"url":"https://github.com/sveltejs/svelte/releases/tag/svelte%405.56.8","date":"2026-07-24T22:09:14Z","type":"stable","version":"svelte@5.56.8"},{"url":"https://github.com/sveltejs/svelte/releases/tag/svelte%405.56.7","date":"2026-07-20T19:31:02Z","type":"stable","version":"svelte@5.56.7"},{"url":"https://github.com/sveltejs/svelte/releases/tag/svelte%405.56.6","date":"2026-07-16T22:26:47Z","type":"stable","version":"svelte@5.56.6"},{"url":"https://github.com/sveltejs/svelte/releases/tag/svelte%405.56.5","date":"2026-07-14T12:03:32Z","type":"stable","version":"svelte@5.56.5"},{"url":"https://github.com/sveltejs/svelte/releases/tag/svelte%405.56.4","date":"2026-06-23T18:48:43Z","type":"stable","version":"svelte@5.56.4"},{"url":"https://github.com/sveltejs/svelte/releases/tag/svelte%405.56.3","date":"2026-06-07T18:30:29Z","type":"stable","version":"svelte@5.56.3"},{"url":"https://github.com/sveltejs/svelte/releases/tag/svelte%405.56.2","date":"2026-06-04T20:33:04Z","type":"stable","version":"svelte@5.56.2"},{"url":"https://github.com/sveltejs/svelte/releases/tag/svelte%405.56.1","date":"2026-06-01T22:42:27Z","type":"stable","version":"svelte@5.56.1"},{"url":"https://github.com/sveltejs/svelte/releases/tag/svelte%405.56.0","date":"2026-05-29T22:00:29Z","type":"stable","version":"svelte@5.56.0"},{"url":"https://github.com/sveltejs/svelte/releases/tag/svelte%405.55.10","date":"2026-05-27T21:48:44Z","type":"stable","version":"svelte@5.55.10"},{"url":"https://github.com/sveltejs/svelte/releases/tag/svelte%405.55.9","date":"2026-05-20T10:08:35Z","type":"stable","version":"svelte@5.55.9"},{"url":"https://github.com/sveltejs/svelte/releases/tag/svelte%405.55.8","date":"2026-05-18T16:45:32Z","type":"stable","version":"svelte@5.55.8"},{"url":"https://github.com/sveltejs/svelte/releases/tag/svelte%405.55.7","date":"2026-05-14T19:07:37Z","type":"stable","version":"svelte@5.55.7"},{"url":"https://github.com/sveltejs/svelte/releases/tag/svelte%405.55.6","date":"2026-05-14T18:04:38Z","type":"stable","version":"svelte@5.55.6"},{"url":"https://github.com/sveltejs/svelte/releases/tag/svelte%405.55.5","date":"2026-04-23T23:48:48Z","type":"stable","version":"svelte@5.55.5"}]` |
| security.scorecard | 7.1 | 7.6 |
| 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":14,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=svelte&per_page=100","last_12m":12,"max_severity":"HIGH"}` |

## Capabilities (Web Frameworks)

| Capability | Phoenix | SvelteKit |
|---|:--:|:--:|
| **Core** |  |  |
| Rendering model | Server-side | Client-side |
| File-based routing | - | - |
| Language | Elixir | JavaScript |
| **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 2026-10-16T20:59:04.058Z. "-" = undocumented, not absent.*