Software Alternatives, Accelerators & Startups

IntelliJ IDEA VS Codeium

Compare IntelliJ IDEA VS Codeium and see what are their differences

IntelliJ IDEA logo IntelliJ IDEA

Capable and Ergonomic IDE for JVM

Codeium logo Codeium

Free AI-powered code completion for *everyone*, *everywhere*
  • IntelliJ IDEA Landing page
    Landing page //
    2023-07-20
  • Codeium Landing page
    Landing page //
    2023-05-10

IntelliJ IDEA features and specs

  • Intelligent Code Completion
    IntelliJ IDEA offers advanced code completion features, which help to speed up coding by suggesting relevant keywords, variable names, and methods. It understands the context of the code, making suggestions more accurate and useful.
  • Powerful Refactoring
    IntelliJ IDEA provides an extensive set of refactoring tools that simplify code restructuring. Developers can easily rename, move, and change the signature of classes and methods without breaking the application.
  • Integrated Version Control
    Supports various version control systems such as Git, SVN, and Mercurial. This integration allows seamless code commits, merges, and history tracking directly within the IDE.
  • Rich Plugin Ecosystem
    Offers a vast library of plugins to extend its functionalities by adding support for additional languages, frameworks, and tools, making it highly customizable.
  • Built-in Terminal
    Includes a powerful built-in terminal that allows for command-line operations without leaving the IDE, improving workflow efficiency.
  • Cross-Platform Support
    IntelliJ IDEA is available for Windows, macOS, and Linux, providing consistency for developers who work across different operating systems.
  • Comprehensive Debugging
    Features advanced debugging tools that provide detailed inspection of variable states, stack traces, and execution flow, making it easier to identify and fix issues.
  • User-Friendly Interface
    Offers a highly intuitive and customizable user interface that simplifies navigation and enhances productivity.

Possible disadvantages of IntelliJ IDEA

  • Resource Intensive
    IntelliJ IDEA can be very demanding on system resources, such as RAM and CPU, which may affect performance on less powerful machines.
  • Steep Learning Curve
    New users may find it challenging to learn all of its features and settings, as the IDE offers a wide range of tools and options.
  • Cost
    While there is a free Community edition, the Ultimate edition with full features requires a paid license, which can be expensive for individual developers or small teams.
  • Occasional Sluggishness
    Users may experience occasional sluggish performance, especially with large projects or extensive usage of plugins.
  • Initial Setup Complexity
    Setting up IntelliJ IDEA for the first time, particularly for specific project configurations, can be time-consuming and complex.
  • Frequent Updates
    While regular updates are beneficial for security and new features, they can sometimes cause interruptions or require downtime to install.
  • Dependency on Plugins
    Some key functionalities may rely heavily on third-party plugins, which can sometimes lag in updates or lack sufficient documentation.

Codeium features and specs

  • Free to Use
    Codeium is available for free, making it accessible to a wide range of users, including individuals and businesses with budget constraints.
  • Advanced AI Technology
    Utilizes state-of-the-art AI models to provide smart code completion, error checking, and other features that enhance developer productivity.
  • Multi-language Support
    Supports a variety of programming languages, making it versatile and useful for developers working in different stacks.
  • User-Friendly Interface
    Designed with a user-friendly interface that makes it easy for both beginners and experienced developers to navigate and use its features.
  • Robust Integration
    Can be integrated with popular code editors like Visual Studio Code, providing seamless usability within existing workflows.
  • Continuous Updates
    Regular updates ensure that the tool stays current with the latest programming standards and technologies.

Possible disadvantages of Codeium

  • Data Privacy Concerns
    Since the tool processes raw code, there may be concerns about data privacy and security for sensitive projects.
  • Limited Offline Functionality
    Requires an internet connection for full functionality, which can be a drawback for developers working in offline or remote environments.
  • Learning Curve
    Despite its user-friendly design, there can be a learning curve for new users to fully understand and utilize all the features.
  • Potential Over-reliance
    Developers might become overly reliant on automated code suggestions, which could impact their coding skills in the long term.
  • Variable Performance
    Performance may vary depending on the complexity of the codebase and the specific languages being used.
  • Integration Bugs
    Like any software, there could be occasional bugs or issues during integration with different development environments.

IntelliJ IDEA videos

Overview of IntelliJ IDEA

More videos:

  • Review - Why I Use IntelliJ IDEA
  • Review - Be More Productive With IntelliJ IDEA by Trisha Gee

Codeium videos

Codeium: Free Copilot Alternative

Category Popularity

0-100% (relative to IntelliJ IDEA and Codeium)
IDE
100 100%
0% 0
AI
0 0%
100% 100
Text Editors
100 100%
0% 0
Developer Tools
56 56%
44% 44

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare IntelliJ IDEA and Codeium

IntelliJ IDEA Reviews

Explore 9 Top Eclipse Alternatives for 2024
Developed by JetBrains, IntelliJ IDEA is a versatile Integrated Development Environment (IDE) initially built for Java and Kotlin, but extends its prowess to incorporate a myriad of other languages through plugins. A unique and user-centric environment favorably touted for its tuneability and keyboard shortcuts that enhance productivity, IntelliJ IDEA has grown to compete...
Source: aircada.com
Top 10 Android Studio Alternatives For App Development
IntelliJ IDEA is an IDE that was developed by JetBrains and is written in Java, Groovy, and Kotlin. It helps in building the IntelliJ IDEA community from the source code and also produces high-quality code.
The Best IDEs for Java Development: A Comparative Analysis
Intelligent Coding Assistance: What sets IntelliJ IDEA apart is its intelligent coding assistance. It seems to understand your code, predict your needs, and assist you with a range of development tasks from start to finish. By virtually mapping your Java projects, it can detect errors, suggest code variants, conduct refactoring, and more. It’s like having a coding assistant!
Source: dev.to
20 Best Diff Tools to Compare File Contents on Linux
Intellij Idea is an enterprise development, cross-platform software for multiple operating systems. It is used to review the differences between any two files, folders, text sources, or database objects, as well as between local files and their repository versions.
Source: linuxopsys.com
9 Of The Best Android Studio Alternatives To Try Out
IntelliJ IDEA, the routine tasks like coding, are handled by IntelliJ IDEA, which leads to accelerated development. It also allows the programmer to focus on functionality.

Codeium Reviews

10 Best Github Copilot Alternatives in 2024
Yes, some free alternatives to GitHub Copilot like Codeium offer features that can be suitable for enterprise use. However, for advanced needs, you might consider paid options like TabNine Enterprise or DeepCode (Snyk Code), which provide additional support and security features.
The Best GitHub Copilot Alternatives for Developers
Another notable feature of Codeium is context pinning. It allows developers to pin any scope of code, such as a repository, a file, or a function, so Codeium takes the code in that section more seriously when generating responses. Developers can apply this feature once and save it while they work, enhancing accuracy in coding tasks. Codeium is capable of meeting a variety of...
Source: softteco.com
6 GitHub Copilot Alternatives You Should Know
Codeium is another LLM-driven coding assistant designed to enhance productivity and code quality for developers. It provides smart code completions and refactorings. Codeium supports a variety of programming languages and integrates with popular IDEs.
Source: swimm.io

Social recommendations and mentions

Based on our record, Codeium seems to be more popular. It has been mentiond 44 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

IntelliJ IDEA mentions (0)

We have not tracked any mentions of IntelliJ IDEA yet. Tracking of IntelliJ IDEA recommendations started around Mar 2021.

Codeium mentions (44)

  • 15 AI tools that almost replace a full dev team but please don’t fire us yet
    Codeium: Supports multiple editors and privacy-conscious teams. - Source: dev.to / about 16 hours ago
  • Building a narrative game with Next.js and AI
    The only workflow change was switching IDEs, from VSCode/Copilot to Windsurf/Cascade, as it was depicted as a more performant AI regarding the app context. - Source: dev.to / about 1 month ago
  • Vibe coding a nifty Umbraco tool
    What started as a slow Friday turned into a productive coding session using Windsurf, Codeiums AI-powered IDE, to create a block thumbnail generator for Umbraco block editors. - Source: dev.to / about 2 months ago
  • Best AI Code Editors in 2025
    Built on VS Code (sensing a theme here?), Windsurf offers a sophisticated AI-powered development environment with its Supercomplete and Cascade features. Developed by Codeium, it focuses on real-time workspace understanding and intelligent code assistance. - Source: dev.to / 2 months ago
  • AI Revolution for Developers not just corporates
    Windsurf: Generates contextually relevant code based on developer's code accelerating development. - Source: dev.to / 3 months ago
View more

What are some alternatives?

When comparing IntelliJ IDEA and Codeium, you can also consider the following products

Microsoft Visual Studio - Microsoft Visual Studio is an integrated development environment (IDE) from Microsoft.

GitHub Copilot - Your AI pair programmer. With GitHub Copilot, get suggestions for whole lines or entire functions right inside your editor.

VS Code - Build and debug modern web and cloud applications, by Microsoft

Tabnine - TabNine is the all-language autocompleter. We use deep learning to help you write code faster.

Xcode - Xcode is Apple’s powerful integrated development environment for creating great apps for Mac, iPhone, and iPad. Xcode 4 includes the Xcode IDE, instruments, iOS Simulator, and the latest Mac OS X and iOS SDKs.

Glambase - The Glambase platform provides the ability and the tools to create, promote, and monetize AI-powered virtual influencers.