IntelliJ IDEA vs Cursor AI Editor
IntelliJ dominates Java/Kotlin refactoring depth and enterprise tooling. Cursor wins for polyglot AI-assisted velocity and lighter onboarding.
JVM enterprise IDE vs AI-native editor
Verdict
IntelliJ IDEA is still the benchmark for Java, Kotlin, and Spring monorepos. Cursor is the better bet for AI-heavy polyglot startups — especially TypeScript, Python, and rapid feature iteration.
Side-by-side
| Dimension | IntelliJ IDEA | Cursor AI Editor |
|---|---|---|
| Java / Kotlin | Best-in-class | Good with extensions |
| AI agents | JetBrains AI add-on | Core product |
| Student free tier | Free Ultimate for .edu | 50% Pro discount |
| Resource usage | Higher RAM | Moderate Electron fork |
FAQ
- Can Cursor replace IntelliJ for Java?
- For small Java projects, maybe. For large Spring/Kotlin codebases, IntelliJ's analysis and refactoring remain superior.
- Is IntelliJ free for students?
- Yes — JetBrains offers free educational licenses for Ultimate editions with verified academic email.
- Which uses more RAM?
- IntelliJ Ultimate typically consumes more RAM than Cursor; both are heavier than Neovim.
- Does IntelliJ have AI agents like Cursor?
- JetBrains AI Assistant adds chat and completions but agentic multi-file flows are more mature in Cursor today.
- Which is better for Kotlin?
- IntelliJ — built by JetBrains, Kotlin's vendor.
- Can I use both IDEs on one project?
- Yes — open different modules in each IDE, align on Gradle/Maven and .editorconfig.