What are the key differences between Eclipse and JetBrains IntelliJ IDEA Ultimate?

Compare Eclipse and JetBrains IntelliJ IDEA Ultimate side by side on Lunoo to see detailed feature differences, AI scores, and expert analysis.

How are Eclipse and JetBrains IntelliJ IDEA Ultimate scored?

Eclipse has an AI score of 9.8/10 and JetBrains IntelliJ IDEA Ultimate has an AI score of 9.4/10. Scores are based on category fit, feature coverage, pricing signals, public reception, and recency.

Eclipse vs JetBrains IntelliJ IDEA Ultimate 2026 — Compared

Eclipse

JetBrains IntelliJ IDEA Ultimate

WINNER Eclipse

Eclipse edges ahead with a score of 9.8/10 compared to 9.4/10 for JetBrains IntelliJ IDEA Ultimate. While both are highl...

emoji_events WINNER

Eclipse

9.8 Brilliant

Code Editor Get Eclipse open_in_new

JetBrains IntelliJ IDEA Ultimate

9.4 Excellent

Code Editor Get JetBrains IntelliJ IDEA Ultimate open_in_new

Eclipse Free plan available

payments

JetBrains IntelliJ IDEA Ultimate Pricing not available

psychology AI Verdict

Eclipse edges ahead with a score of 9.8/10 compared to 9.4/10 for JetBrains IntelliJ IDEA Ultimate. While both are highly rated in their respective fields, Eclipse demonstrates a slight advantage in our AI ranking criteria. A detailed AI-powered analysis is being prepared for this comparison.

emoji_events Winner: Eclipse

verified Confidence: Low

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description Overview

Eclipse

Eclipse is a long-standing, open-source IDE that remains a staple in enterprise Java development. While it has lost ground to IntelliJ IDEA, it remains highly capable, especially for legacy projects and specific plugin-heavy environments. Its modular architecture allows for extensive customization, and it supports a vast array of languages and frameworks. For organizations that rely on established...

JetBrains IntelliJ IDEA Ultimate

IntelliJ IDEA Ultimate is a powerhouse IDE renowned for its advanced code analysis, refactoring tools, and support for a wide range of languages and frameworks. Its deep integration with Java, Kotlin, and web development technologies makes it a favorite among enterprise developers. The Ultimate edition provides advanced features like database tools, profiling capabilities, and support for applicat...