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

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

How are JetBrains IntelliJ IDEA Ultimate and Eclipse scored?

JetBrains IntelliJ IDEA Ultimate has an AI score of 7.6/10 and Eclipse has an AI score of 9.8/10. Scores are based on category fit, feature coverage, pricing signals, public reception, and recency.

JetBrains IntelliJ IDEA Ultimate vs Eclipse 2026 — Compared

JetBrains IntelliJ IDEA Ultimate

Eclipse

WINNER Eclipse

Eclipse edges ahead with a score of 9.8/10 compared to 7.6/10 for JetBrains IntelliJ IDEA Ultimate. While both are highl...

JetBrains IntelliJ IDEA Ultimate

7.6 Good

Code Editor Get JetBrains IntelliJ IDEA Ultimate open_in_new

emoji_events WINNER

Eclipse

9.8 Brilliant

Code Editor Get Eclipse open_in_new

JetBrains IntelliJ IDEA Ultimate Pricing not available

payments

Eclipse Free plan available

psychology AI Verdict

Eclipse edges ahead with a score of 9.8/10 compared to 7.6/10 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

Ready to decide? Get Eclipse arrow_forward

description Overview

JetBrains IntelliJ IDEA Ultimate

IntelliJ IDEA is renowned for its deep understanding of code structure, offering superior code completion, refactoring tools, and debugging capabilities across multiple languages. It provides a highly intelligent environment that anticipates developer needs, making it a favorite among professional backend and enterprise developers who write large, complex codebases.

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...