# IntelliJ IDEA vs Theia

**Leader by vioscaleAI score:** Theia

| Attribute | IntelliJ IDEA | Theia |
|---|---|---|
| **vioscaleAI score** | 51.9 (72% (medium)) | 62.6 (64% (medium)) |
| activity.commits_last_30d | 100 | 94 |
| adoption.dependent_repos | 890 | 324 |
| adoption.github_stars | 20,630 | 21,710 |
| content.faq | `[{"answer":"An IDE that accelerates software development through smart code editing, debugging, and analysis tools, enhanced with native AI capabilities for code completion and suggestions. It is indexed under IDEs & Code Editors.","source":"https://www.jetbrains.com/idea/","question":"What is IntelliJ IDEA?","confidence":0.6},{"answer":"IntelliJ IDEA supports Windows, macOS and Linux. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://www.jetbrains.com/idea/","question":"What platforms does IntelliJ IDEA support?","confidence":0.6},{"answer":"We have confirmed 8 integrations for IntelliJ IDEA, including Claude, GPT, Gemini, Grok, GitHub Copilot, Cursor, Junie and Codex. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://www.jetbrains.com/idea/","question":"What does IntelliJ IDEA integrate with?","confidence":0.6},{"answer":"We have independently confirmed SOC 2 and GDPR for IntelliJ IDEA. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as IntelliJ IDEA not holding them. Always confirm compliance directly before you rely on it.","source":"https://www.jetbrains.com/idea/","question":"What security certifications does IntelliJ IDEA have?","confidence":0.48}]` | `[{"answer":"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. It is indexed under IDEs & Code Editors.","source":"https://theia-ide.org","question":"What is Theia?","confidence":0.6},{"answer":"Theia is open source, so it can be self-hosted and used at no licence cost. It is released under the EPL-2.0 licence. Pricing changes often, so verify at source before relying on it.","source":"https://theia-ide.org","question":"Is Theia free to use?","confidence":0.6},{"answer":"We have confirmed browser-based access to Theia. 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://theia-ide.org","question":"What platforms does Theia support?","confidence":0.6},{"answer":"Yes. Theia can be deployed cloud / SaaS and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://theia-ide.org","question":"Can Theia be self-hosted?","confidence":0.6},{"answer":"We have confirmed 9 integrations for Theia, including Python, Java, C++, Go, YAML, ESLint, NPM and GitHub Pull Requests, plus 1 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://theia-ide.org","question":"What does Theia integrate with?","confidence":0.6},{"answer":"Yes. Theia is published under the EPL-2.0 licence, a copyleft licence, so check its terms before embedding it in a closed-source product. Licence terms can change between releases, so verify against the repository for the version you intend to use.","source":"https://github.com/eclipse-theia/theia","question":"Is Theia open source?","confidence":0.95}]` |
| deployment.options | - | `{"cloud":true,"self_hosted":true}` |
| description.long | Professional integrated development environment for Java and Kotlin with built-in AI assistance for code generation and validation. Includes integrated debugging, testing, database tools, and application profiling in a unified interface. | Theia IDE is an extensible, multi-language development environment for both cloud and desktop deployment. It combines integrated AI assistance with privacy-preserving architecture where users maintain full control over their code, data, and AI model choices. |
| features.capabilities | `{"type":"full_ide","builtin_ai":"native","deployment":"desktop","os_support":"Windows, macOS","remote_dev":true,"open_source":"open_core","base_platform":"original","extensibility":"plugins","pricing_model":"subscription","language_scope":"polyglot","code_intelligence":"ide_grade","integrated_debugger":true}` | `{"type":"full_ide","lsp_dap":true,"builtin_ai":"native","deployment":"both","os_support":"Cross-platform (browser and desktop via Electron)","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":"Spring Framework","native":true}]` | `[{"name":"Python"},{"name":"Java"},{"name":"C++"},{"name":"JavaScript"},{"name":"Go"},{"name":"YAML"},{"name":"Docker"},{"name":"ESLint"},{"name":"NPM"},{"name":"GitHub Pull Requests"},{"name":"GitLens"},{"name":"GitHub","native":true,"category":"vcs","direction":"bidirectional"},{"name":"GitHub Copilot","native":true,"category":"ai","direction":"inbound"},{"name":"OpenAI","category":"ai","direction":"inbound"},{"name":"Anthropic","category":"ai","direction":"inbound"},{"name":"Google","category":"ai","direction":"inbound"},{"name":"Ollama","category":"ai","direction":"inbound"},{"name":"Mistral","category":"ai","direction":"inbound"},{"name":"HuggingFace","category":"ai","direction":"inbound"},{"name":"Claude Code","native":true,"category":"ai","direction":"inbound"},{"name":"VS Code Extensions","category":"ide_extensions","direction":"inbound"}]` |
| language.primary | Java | TypeScript |
| license.spdx | - | EPL-2.0 |
| platform.support | `{"mac":true,"windows":true}` | `{"mac":true,"web":true,"linux":true,"windows":true}` |
| pricing | `{"type":"subscription","freeTier":true,"sourceUrl":"https://www.jetbrains.com/idea/","retrievedAt":"2026-09-14T13:22:10.181Z","freeTrialDays":30}` | `{"type":"free","freeTier":true,"sourceUrl":"https://theia-ide.org","retrievedAt":"2026-10-14T21:35:08.250Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | freemium | free |
| pricing.price_level | low | free |
| pricing.transparent | - | yes |
| release.cadence_days | 2 | 12 |
| release.history | `[{"url":"https://github.com/JetBrains/intellij-community/releases/tag/pycharm/2026.2.3","date":"2026-09-18T15:43:23Z","type":"stable","version":"pycharm/2026.2.3"},{"url":"https://github.com/JetBrains/intellij-community/releases/tag/idea/2026.2.3","date":"2026-09-16T09:31:48Z","type":"stable","version":"idea/2026.2.3"},{"url":"https://github.com/JetBrains/intellij-community/releases/tag/pycharm/2026.2.2","date":"2026-09-07T15:24:11Z","type":"stable","version":"pycharm/2026.2.2"},{"url":"https://github.com/JetBrains/intellij-community/releases/tag/idea/2026.2.2","date":"2026-09-02T15:41:49Z","type":"stable","version":"idea/2026.2.2"},{"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/eclipse-theia/theia/releases/tag/next","date":"2026-10-14T00:38:12Z","type":"prerelease","version":"next"},{"url":"https://github.com/eclipse-theia/theia/releases/tag/v1.74.2","date":"2026-09-30T13:06:55Z","type":"stable","version":"v1.74.2"},{"url":"https://github.com/eclipse-theia/theia/releases/tag/v1.76.0","date":"2026-09-24T14:38:20Z","type":"stable","version":"v1.76.0"},{"url":"https://github.com/eclipse-theia/theia/releases/tag/v1.75.0","date":"2026-08-27T14:59:12Z","type":"stable","version":"v1.75.0"},{"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"}]` |
| reliability.status_page | yes | - |
| security.certifications | `[{"name":"SOC 2 Type II","level":"Type II","status":"active"}]` | - |
| security.disclosure_policy | yes | - |
| security.gdpr | yes | - |
| security.scorecard | 4.4 | 5 |
| security.soc2 | yes | - |
| security.trust_center | https://www.jetbrains.com/company/commitment/compliance-highlights/ | - |
| 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 | Polyglot |
| **Deployment** |  |  |
| Deployment | Desktop | Both |
| **Platform support** |  |  |
| OS support | Windows, macOS | Cross-platform (browser and desktop via Electron) |
| 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 | Per-seat subscription | Free |

*Source: vioscaleAI. Generated 2026-10-16T18:41:19.489Z. "-" = undocumented, not absent.*