What are the key differences between Eclipse and IntelliJ IDEA?

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

How are Eclipse and IntelliJ IDEA scored?

Eclipse has an AI score of 9.8/10 and IntelliJ IDEA has an AI score of 9.3/10. Scores are based on category fit, feature coverage, pricing signals, public reception, and recency.

Eclipse vs IntelliJ IDEA 2026 — Compared

Eclipse

IntelliJ IDEA

WINNER Eclipse

Eclipse edges ahead with a score of 9.8/10 compared to 9.3/10 for IntelliJ IDEA. While both are highly rated in their re...

emoji_events WINNER

Eclipse

9.8 Brilliant

Code Editor Get Eclipse open_in_new

IntelliJ IDEA

9.3 Excellent

Code Editor Get IntelliJ IDEA open_in_new

Eclipse Free plan available

payments

IntelliJ IDEA From $149/mo for the professional edition or free community edition with limited features Free plan available

psychology AI Verdict

Eclipse edges ahead with a score of 9.8/10 compared to 9.3/10 for IntelliJ IDEA. 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...

IntelliJ IDEA

IntelliJ IDEA is the gold standard for JVM-based development. While it is a full-featured IDE rather than a simple editor, its deep understanding of code structure, advanced refactoring tools, and intelligent code completion make it indispensable for enterprise Java and Kotlin developers. It provides a highly optimized environment that anticipates developer needs, reducing boilerplate and catching...