Comparison

JetBrains IntelliJ IDEA vs Theia

On the evidence we track, Theia leads this comparison with a composite score of 63/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
JetBrains IntelliJ IDEA47
★Theia63
Score
vioscaleAI score
JetBrains IntelliJ IDEA47 / 100medium · 69%
Theia63 / 100medium · 64%
Pricing
Free tier
JetBrains IntelliJ IDEA✓
Theia✓
Model
JetBrains IntelliJ IDEAfreemium
Theiafree
Price level
JetBrains IntelliJ IDEAlow
Theiafree
Transparent
JetBrains IntelliJ IDEA✗
Theia✓
Integrations
Count
JetBrains IntelliJ IDEA6
Theia3,000
Security
Certifications
JetBrains IntelliJ IDEASOC 2 Type II
Theia–
Disclosure policy
JetBrains IntelliJ IDEA✓
Theia–
Gdpr
JetBrains IntelliJ IDEA✓
Theia–
Scorecard
JetBrains IntelliJ IDEA–
Theia5
Soc2
JetBrains IntelliJ IDEA✓
Theia–
Reliability
Status page
JetBrains IntelliJ IDEA✓
Theia–
Adoption
Dependent repos
JetBrains IntelliJ IDEA–
Theia324
Github stars
JetBrains IntelliJ IDEA–
Theia21,710
Activity
Commits last 30d
JetBrains IntelliJ IDEA–
Theia94
Release
Cadence days
JetBrains IntelliJ IDEA–
Theia12
History
JetBrains IntelliJ IDEA–
License
Spdx
JetBrains IntelliJ IDEA–
TheiaEPL-2.0
Language
Primary
JetBrains IntelliJ IDEA–
Content
Faq
JetBrains IntelliJ IDEA5 items
Theia6 items

Capabilities

Feature-by-feature on the axes that matter for ides & code editors. “-” means undocumented, not absent.

Core
Type
JetBrains IntelliJ IDEAFull IDE
TheiaFull IDE
Language scope
JetBrains IntelliJ IDEAPolyglot
TheiaPolyglot
Deployment
Deployment
JetBrains IntelliJ IDEADesktop
TheiaBoth
Platform support
OS support
JetBrains IntelliJ IDEAWindows, Mac, Linux
TheiaCross-platform (browser and desktop via Electron)
Base platform
JetBrains IntelliJ IDEAOriginal
TheiaOriginal
Extensibility
Extensibility
JetBrains IntelliJ IDEAPlugins
TheiaExtension marketplace
DX
LSP / DAP support
JetBrains IntelliJ IDEA✓
Theia✓
Remote / dev-containers
JetBrains IntelliJ IDEA✓
Theia-
Integrated debugger / profiler
JetBrains IntelliJ IDEA✓
Theia-
Code intelligence depth
JetBrains IntelliJ IDEAIDE-grade
TheiaLSP-grade
Built-in git integration
JetBrains IntelliJ IDEA✓
Theia-
AI
Built-in AI
JetBrains IntelliJ IDEANative
TheiaNative
Licensing
Openness
JetBrains IntelliJ IDEAClosed
TheiaOpen-source
Pricing
Pricing model
JetBrains IntelliJ IDEAPer-seat subscription
TheiaFree

What each one is

The product in its own terms, so the numbers below have context.

JetBrains IntelliJ IDEA

A professional IDE for Java and Kotlin development that combines advanced code intelligence with integrated AI capabilities for code generation, testing, debugging, and application profiling. Includes deep support for Spring Framework and modern development practices.

Independently observed

Theia

Leader

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.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

JetBrains IntelliJ IDEA

HybridFree tier30-day trial
as of verify ↗

Theia

Leader
FreeFree tier
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
JetBrains IntelliJ IDEA✗
Theia✓
macOS
JetBrains IntelliJ IDEA✓
Theia✓
Windows
JetBrains IntelliJ IDEA✓
Theia✓
Linux
JetBrains IntelliJ IDEA✓
Theia✓
Deployment
Cloud / SaaS
JetBrains IntelliJ IDEA–
Theia✓
Self-hosted
JetBrains IntelliJ IDEA–
Theia✓

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

In common (1)
  • GitHub Copilot

JetBrains IntelliJ IDEA

6 total - 5 not shared
  • Claude
  • GPT
  • Gemini
  • Grok
  • Cursor
Independently observed

Theia

Leader
21 total - 20 not shared
  • Python
  • Java
  • C++
  • JavaScript
  • Go
  • YAML
  • Docker
  • ESLint
  • NPM
  • GitHub Pull Requests
  • GitLens
  • GitHub
  • OpenAI
  • Anthropic
  • Google
  • Ollama
  • Mistral
  • HuggingFace
  • Claude Code
  • VS Code Extensions
Independently observed
Still deciding?

JetBrains IntelliJ IDEA or Theia: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.