# IntelliJ IDEA vs Theia

**Leader by Vioscale score:** Theia

| Attribute | IntelliJ IDEA | Theia |
|---|---|---|
| **Vioscale score** | 53.3 (53% (medium)) | 63.7 (64% (medium)) |
| activity.commits_last_30d | 100 | 69 |
| adoption.dependent_repos | 890 | 324 |
| adoption.github_stars | 20,488 | 21,655 |
| deployment.options | - | `{"cloud":true,"self_hosted":true}` |
| description.long | An IDE that accelerates software development through smart code editing, debugging, and analysis tools, enhanced with native AI capabilities for code completion and suggestions. | A development tool combining open-source principles with artificial intelligence features, available for cloud and desktop use. It emphasizes user privacy, supports many programming languages, and works with thousands of existing development tools. |
| features.capabilities | `{"type":"full_ide","builtin_ai":"native","deployment":"desktop","remote_dev":true,"open_source":"open_core","base_platform":"original","extensibility":"plugins","code_intelligence":"ide_grade","integrated_debugger":true}` | `{"type":"full_ide","lsp_dap":true,"builtin_ai":"native","deployment":"both","open_source":"oss","base_platform":"original","extensibility":"marketplace","pricing_model":"free","language_scope":"polyglot","code_intelligence":"lsp_grade"}` |
| integrations.count | 9 | 3,000 |
| integrations.list | `[{"name":"Claude"},{"name":"GPT"},{"name":"Gemini"},{"name":"Grok"},{"name":"GitHub Copilot"},{"name":"Cursor"},{"name":"Junie"},{"name":"Claude Agent"},{"name":"Codex"}]` | `[{"name":"Python"},{"name":"Java"},{"name":"C++"},{"name":"JavaScript"},{"name":"Go"},{"name":"YAML"},{"name":"Docker"},{"name":"ESLint"},{"name":"NPM"},{"name":"GitHub Pull Requests"},{"name":"GitLens"}]` |
| language.primary | Java | TypeScript |
| license.spdx | - | EPL-2.0 |
| platform.support | `{"mac":true,"linux":true,"windows":true}` | `{"web":true}` |
| pricing | - | `{"type":"open_source","summary":"Completely free and open-source","freeTier":true,"sourceUrl":"https://theia-ide.org","retrievedAt":"2026-08-13T23:06:19.308Z"}` |
| pricing.free_tier | - | yes |
| pricing.model | commercial | open_source |
| pricing.price_level | - | free |
| pricing.transparent | - | yes |
| release.cadence_days | 1 | 10 |
| release.history | `[{"url":"https://github.com/JetBrains/intellij-community/releases/tag/pycharm/2026.2.1","date":"2026-08-12T07:24:12Z","type":"stable","version":"pycharm/2026.2.1"},{"url":"https://github.com/JetBrains/intellij-community/releases/tag/pycharm/2026.1.5","date":"2026-08-13T11:27:43Z","type":"stable","version":"pycharm/2026.1.5"},{"url":"https://github.com/JetBrains/intellij-community/releases/tag/idea/2026.1.5","date":"2026-08-12T14:41:47Z","type":"stable","version":"idea/2026.1.5"},{"url":"https://github.com/JetBrains/intellij-community/releases/tag/idea/2026.2.1","date":"2026-08-10T11:37:47Z","type":"stable","version":"idea/2026.2.1"},{"url":"https://github.com/JetBrains/intellij-community/releases/tag/idea/2025.2.6.3","date":"2026-07-28T18:32:49Z","type":"stable","version":"idea/2025.2.6.3"},{"url":"https://github.com/JetBrains/intellij-community/releases/tag/pycharm/2026.2.0.1","date":"2026-07-27T19:34:39Z","type":"stable","version":"pycharm/2026.2.0.1"},{"url":"https://github.com/JetBrains/intellij-community/releases/tag/pycharm/2025.3.6.1","date":"2026-07-28T18:00:12Z","type":"stable","version":"pycharm/2025.3.6.1"},{"url":"https://github.com/JetBrains/intellij-community/releases/tag/idea/2025.3.6.1","date":"2026-07-29T07:38:33Z","type":"stable","version":"idea/2025.3.6.1"},{"url":"https://github.com/JetBrains/intellij-community/releases/tag/pycharm/2026.2","date":"2026-07-20T17:13:34Z","type":"stable","version":"pycharm/2026.2"},{"url":"https://github.com/JetBrains/intellij-community/releases/tag/idea/2026.2","date":"2026-07-16T13:32:03Z","type":"stable","version":"idea/2026.2"},{"url":"https://github.com/JetBrains/intellij-community/releases/tag/pycharm/2026.1.4","date":"2026-07-03T13:04:15Z","type":"stable","version":"pycharm/2026.1.4"},{"url":"https://github.com/JetBrains/intellij-community/releases/tag/idea/2026.1.4","date":"2026-07-02T11:28:47Z","type":"stable","version":"idea/2026.1.4"},{"url":"https://github.com/JetBrains/intellij-community/releases/tag/pycharm/2026.1.3","date":"2026-06-22T12:12:40Z","type":"stable","version":"pycharm/2026.1.3"},{"url":"https://github.com/JetBrains/intellij-community/releases/tag/idea/2026.1.3","date":"2026-06-04T10:57:17Z","type":"stable","version":"idea/2026.1.3"},{"url":"https://github.com/JetBrains/intellij-community/releases/tag/pycharm/2025.3.6","date":"2026-06-04T09:43:41Z","type":"stable","version":"pycharm/2025.3.6"},{"url":"https://github.com/JetBrains/intellij-community/releases/tag/idea/2025.3.6","date":"2026-06-03T11:14:12Z","type":"stable","version":"idea/2025.3.6"},{"url":"https://github.com/JetBrains/intellij-community/releases/tag/pycharm/2026.1.2","date":"2026-05-15T11:37:01Z","type":"stable","version":"pycharm/2026.1.2"},{"url":"https://github.com/JetBrains/intellij-community/releases/tag/idea/2026.1.2","date":"2026-05-15T11:59:22Z","type":"stable","version":"idea/2026.1.2"},{"url":"https://github.com/JetBrains/intellij-community/releases/tag/pycharm/2025.3.5","date":"2026-05-07T09:31:20Z","type":"stable","version":"pycharm/2025.3.5"},{"url":"https://github.com/JetBrains/intellij-community/releases/tag/idea/2025.3.5","date":"2026-05-06T14:36:01Z","type":"stable","version":"idea/2025.3.5"}]` | `[{"url":"https://github.com/eclipse-theia/theia/releases/tag/next","date":"2026-08-26T00:22:32Z","type":"prerelease","version":"next"},{"url":"https://github.com/eclipse-theia/theia/releases/tag/v1.74.1","date":"2026-08-06T15:44:57Z","type":"stable","version":"v1.74.1"},{"url":"https://github.com/eclipse-theia/theia/releases/tag/v1.74.0","date":"2026-07-31T11:53:39Z","type":"stable","version":"v1.74.0"},{"url":"https://github.com/eclipse-theia/theia/releases/tag/v1.73.1","date":"2026-07-01T12:46:12Z","type":"stable","version":"v1.73.1"},{"url":"https://github.com/eclipse-theia/theia/releases/tag/v1.73.0","date":"2026-06-25T13:02:04Z","type":"stable","version":"v1.73.0"},{"url":"https://github.com/eclipse-theia/theia/releases/tag/v1.72.3","date":"2026-06-10T08:44:10Z","type":"stable","version":"v1.72.3"},{"url":"https://github.com/eclipse-theia/theia/releases/tag/v1.72.2","date":"2026-06-05T14:19:07Z","type":"stable","version":"v1.72.2"},{"url":"https://github.com/eclipse-theia/theia/releases/tag/v1.72.1","date":"2026-05-29T12:04:49Z","type":"stable","version":"v1.72.1"},{"url":"https://github.com/eclipse-theia/theia/releases/tag/v1.72.0","date":"2026-05-28T14:14:04Z","type":"stable","version":"v1.72.0"},{"url":"https://github.com/eclipse-theia/theia/releases/tag/v1.71.2","date":"2026-05-27T15:57:40Z","type":"stable","version":"v1.71.2"},{"url":"https://github.com/eclipse-theia/theia/releases/tag/v1.71.1","date":"2026-05-11T09:28:09Z","type":"stable","version":"v1.71.1"},{"url":"https://github.com/eclipse-theia/theia/releases/tag/v1.71.0","date":"2026-04-30T12:29:04Z","type":"stable","version":"v1.71.0"},{"url":"https://github.com/eclipse-theia/theia/releases/tag/v1.70.2","date":"2026-04-10T09:50:27Z","type":"stable","version":"v1.70.2"},{"url":"https://github.com/eclipse-theia/theia/releases/tag/v1.70.1","date":"2026-04-08T10:03:27Z","type":"stable","version":"v1.70.1"},{"url":"https://github.com/eclipse-theia/theia/releases/tag/v1.70.0","date":"2026-03-26T14:55:36Z","type":"stable","version":"v1.70.0"},{"url":"https://github.com/eclipse-theia/theia/releases/tag/v1.69.0","date":"2026-02-26T15:25:49Z","type":"stable","version":"v1.69.0"},{"url":"https://github.com/eclipse-theia/theia/releases/tag/v1.68.2","date":"2026-02-05T15:18:28Z","type":"stable","version":"v1.68.2"},{"url":"https://github.com/eclipse-theia/theia/releases/tag/v1.68.1","date":"2026-02-05T12:43:15Z","type":"stable","version":"v1.68.1"},{"url":"https://github.com/eclipse-theia/theia/releases/tag/v1.68.0","date":"2026-01-29T16:10:26Z","type":"stable","version":"v1.68.0"},{"url":"https://github.com/eclipse-theia/theia/releases/tag/v1.67.0","date":"2025-12-10T16:06:43Z","type":"stable","version":"v1.67.0"}]` |
| reliability.status_page | yes | - |
| security.disclosure_policy | yes | - |
| security.gdpr | yes | - |
| security.scorecard | 4.4 | 5 |
| security.soc2 | yes | - |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=maven&package_name=com.intellij%3Aannotations&per_page=100","last_12m":0,"max_severity":null}` | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=%40theia%2Fmarkers&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (IDEs & Code Editors)

| Capability | IntelliJ IDEA | Theia |
|---|:--:|:--:|
| **Core** |  |  |
| Type | Full IDE | Full IDE |
| Language scope | - | Polyglot |
| **Deployment** |  |  |
| Deployment | Desktop | Both |
| **Platform support** |  |  |
| OS support | - | - |
| Base platform | Original | Original |
| **Extensibility** |  |  |
| Extensibility | Plugins | Extension marketplace |
| **DX** |  |  |
| LSP / DAP support | - | ✓ |
| Remote / dev-containers | ✓ | - |
| Integrated debugger / profiler | ✓ | - |
| Code intelligence depth | IDE-grade | LSP-grade |
| Built-in git integration | - | - |
| **AI** |  |  |
| Built-in AI | Native | Native |
| **Licensing** |  |  |
| Openness | Open-core | Open-source |
| **Pricing** |  |  |
| Pricing model | - | Free |

*Source: Vioscale. Generated 2026-09-01T16:30:59.419Z. "-" = undocumented, not absent.*