List of the Top 18 AI Coding Assistants for IntelliJ IDEA in 2025

Meet your AI coding assistant: GitHub Copilot, which offers suggestions for entire lines or complete functions directly in your coding environment. By leveraging billions of lines of publicly available code, GitHub Copilot guarantees that vital knowledge is at your fingertips, enabling you to conserve precious time and maintain focus. Currently available as an extension for Visual Studio Code, it integrates effortlessly on both your local system and in the cloud through GitHub Codespaces. Its ability to provide real-time suggestions as you type enhances your coding efficiency. Supporting a diverse range of frameworks and programming languages, the technical preview is particularly proficient in Python, JavaScript, TypeScript, Ruby, and Go, while also accommodating many other languages. With GitHub Copilot, you retain full control over your coding journey, allowing you to explore various suggestions, choose which to implement or ignore, and modify the code as needed. Furthermore, GitHub Copilot adapts its recommendations according to your individual coding style, ensuring a more tailored programming experience. This groundbreaking tool significantly boosts developers' productivity and creativity, transforming the way coding tasks are approached. In an era where efficiency is paramount, GitHub Copilot stands out as a revolutionary ally for programmers. GitHub Coding Agent is seamlessly embedded within GitHub, and developers can assign it tasks via GitHub issues or prompts in VS Code. Once assigned, the agent uses GitHub Actions to create a secure and fully customizable development environment to execute its tasks. As it works, the agent pushes commits to a draft pull request, and developers can track the entire process through detailed session logs that showcase its reasoning and validation steps.

Augment Code is a cutting-edge AI coding agent designed to support software engineers working with complex, large-scale codebases. The platform integrates smoothly with major IDEs like Visual Studio Code, IntelliJ IDEA, and Vim, providing a range of powerful tools for SDK migration, code refactoring, and documentation generation. Augment Code stands out by learning from each interaction, adapting to the developer's code style, and persisting this knowledge to improve code generation and explanations over time. This personalized approach allows engineers to write code with the same expertise as senior developers, regardless of their experience level. With over 100 supported native and MCP tools, Augment Code enables seamless integration into existing workflows, whether debugging, refactoring, or managing multiple repositories. The agent also works with popular platforms like GitHub and Slack, ensuring that engineers can collaborate and manage their codebase efficiently without ever leaving their preferred tools. By offering real-time feedback and deep context awareness, Augment Code helps developers tackle complex projects with ease and confidence. The platform’s ability to handle large repositories, debug with images, and generate high-quality code snippets significantly enhances productivity. Trusted by leading companies, Augment Code is the ultimate tool for modern developers aiming to produce high-quality code while saving time and effort.

Zencoder is an innovative platform that leverages advanced AI coding agents to help developers accelerate their product launches. By employing embedded AI agents, Zencoder improves code generation through extensive syntactic and semantic analysis of your repository as well as the generated code. This forward-thinking strategy guarantees that our AI coding agents consistently refine the outcomes, enabling you to stay informed and skillfully tackle the complexities of software development. Discover the revolutionary impact of AI-augmented code generation, as Zencoder effortlessly integrates context-aware code into your projects, drastically enhancing your development speed without compromising quality. By using Zencoder, you gain access to a knowledgeable coding partner that provides prompt assistance, valuable insights, and customized solutions tailored to your unique programming needs, streamlining the development process. This fusion of intelligent support and cutting-edge technology not only enhances your coding journey but also allows you to dedicate more time to innovation and creativity, ensuring a more enjoyable and productive experience. In a rapidly evolving tech landscape, Zencoder stands out as a vital tool for developers seeking to harness the power of AI in their coding endeavors.

The JetBrains AI Assistant seamlessly combines your integrated development environment (IDE) with both custom and third-party large language models (LLMs) designed for various functions. This synergy enables the AI Assistant to provide precise and context-aware assistance, facilitating tasks such as code snippet generation, the completion of complex code structures, and the efficient creation of automated tests. We are dedicated to maintaining the security of your data and code! The JetBrains AI Assistant ensures that your code snippets are kept confidential, as they are not stored or shared, regardless of their source, whether from public repositories, private repositories, or local files. Upholding the JetBrains AI Terms of Service is crucial to our operations, guaranteeing that neither we nor our associated service providers use your data or code to train generative AI models. Furthermore, this unwavering commitment to privacy and data integrity cultivates a reliable atmosphere for developers, encouraging innovation and creativity in their projects. By prioritizing these principles, we aim to build lasting trust with our users.

GoCodeo serves as an all-encompassing AI platform tailored for developers, designed to expedite the processes of coding, testing, and debugging. By seamlessly integrating with VS Code, it delivers real-time support that ranges from generating code snippets to automatically producing unit tests. The platform’s AI-powered tools further enhance productivity by offering valuable debugging insights, allowing developers to swiftly pinpoint and resolve problems. With its compatibility across various programming languages and frameworks, GoCodeo enables developers to create high-quality, production-ready code with greater ease, optimizing development timelines and improving overall project efficiency. Ultimately, GoCodeo is a vital resource for developers seeking to elevate their coding experience and achieve faster results.

Goose, often called codename goose, is an open-source AI agent designed to run locally on computers, aimed at automating various engineering tasks within a terminal or integrated development environment (IDE). It streamlines processes such as code generation, debugging, and deployment, allowing developers to concentrate on more complicated problem-solving endeavors. The adaptable framework of Goose enables customization with a range of large language models (LLMs) and the incorporation of external APIs, which enhances its capabilities to cater to the distinct needs of diverse projects. By autonomously handling complex tasks, Goose simplifies the development process, ultimately boosting productivity and reducing the necessity for manual oversight. Users have highlighted the effectiveness of Goose in automating tasks such as dependency management, test execution, and code migration, reflecting its value in real-world applications. Moreover, as software development continues to advance, tools like Goose are becoming essential for sustaining efficiency amid the demands of a rapidly changing environment. In an era where speed and precision are paramount, leveraging such innovative tools can significantly influence a team's success in delivering high-quality software products.

GPT-4.1 is a cutting-edge AI model from OpenAI, offering major advancements in performance, especially for tasks requiring complex reasoning and large context comprehension. With the ability to process up to 1 million tokens, GPT-4.1 delivers more accurate and reliable results for tasks like software coding, multi-document analysis, and real-time problem-solving. Compared to its predecessors, GPT-4.1 excels in instruction following and coding tasks, offering higher efficiency and improved performance at a reduced cost.

Refact.ai is a cutting-edge AI-driven assistant that seamlessly integrates with your IDE, delivering smart code completion, instant code suggestions, and automatic refactoring to optimize the coding experience. Leveraging an AI model tailored to your specific codebase, Refact.ai customizes its recommendations to align with your team's coding style, significantly boosting productivity. Developers have the flexibility to adjust the assistant's functionalities to cater to their individual needs, making it an invaluable resource for personalized coding support. Compatible with all major IDEs and offering secure on-premise deployment, Refact.ai not only enhances code quality but also minimizes the time spent on tedious manual tasks, leading to quicker project turnaround times. Ultimately, this innovative tool transforms the way developers approach coding, fostering a more efficient and enjoyable workflow.

Enhance the creation of robust and secure software by leveraging AI throughout all stages of the development lifecycle. GitLab Duo acts as an AI-powered ally intricately embedded within the GitLab framework, designed to elevate productivity and improve collaboration among software developers. It delivers intelligent code suggestions, assists with code refactoring and debugging, and streamlines processes by automating repetitive tasks. Moreover, GitLab Duo facilitates natural language queries concerning project management and development analytics, providing developers with a more user-friendly approach to interact with their code repositories. With compatibility with leading IDEs like JetBrains and Neovim, GitLab Duo ensures consistent support in the environments preferred by developers. By merging AI-enhanced productivity with GitLab's extensive DevSecOps functionalities, GitLab Duo equips teams to create exceptional software more swiftly while strengthening collaborative efforts. The introduction of this groundbreaking tool fundamentally changes the methodology teams utilize in software development, paving the way for more innovative practices and efficient workflows.

Amazon Q stands out as the premier generative AI-assisted tool tailored for software development endeavors. It significantly improves the software development lifecycle by enabling agents to independently perform a range of tasks, including feature implementation, documentation, testing, code reviews, refactoring, and overseeing software updates. With the Amazon Q Developer, navigating the intricacies of the development process becomes remarkably easier. This tool possesses extensive knowledge of AWS, helping users optimize their cloud expenditures and resources while providing guidance on optimal architectural practices, analyzing operational issues, and addressing networking difficulties. Furthermore, Amazon Q Developer agents support the transformation of extensive enterprise workloads, facilitating the transition of .NET applications from Windows to Linux, modernizing mainframe applications, migrating and upgrading VMware workloads, and enhancing Java applications, all with the goal of streamlining processes and reducing costs. Its adaptability and wide-ranging capabilities render it an essential resource for developers aiming to boost the efficiency and productivity of their projects, ultimately leading to more successful outcomes.

Latta AI represents a state-of-the-art platform focused on enhancing the software development process by automating the detection and correction of bugs. By recording user sessions and utilizing AI-driven approaches, Latta AI enables developers, project managers, and testers to focus their efforts on developing new features, significantly boosting productivity and expediting release schedules. The platform is engineered for seamless integration with popular version control systems like GitHub and GitLab, while also implementing strong security protocols to protect the integrity and confidentiality of code. Additionally, Latta AI offers a plugin specifically for JetBrains IDEs, allowing developers to access its bug-fixing tools directly within their development environment. This frictionless integration facilitates swift problem identification and resolution without the need to leave the IDE. Latta AI aims to reduce the time spent on debugging by up to 40%, thereby enhancing efficiency and allowing teams to emphasize innovation and creativity in their work. By alleviating the challenges associated with bug fixing, Latta AI is pivotal in reshaping the software development landscape, fostering a more agile and productive environment for developers. As a result, teams can allocate more resources towards exploring new ideas and enhancing their projects.

Fynix operates as an advanced AI-powered platform designed to boost the efficiency of software development by offering intelligent coding assistance and agent-based code evaluations. This innovative tool integrates effortlessly with popular IDEs, including VS Code, and boasts features such as context-aware autocomplete, the ability to input natural language for code corrections and translations, and automatic visual representations of code flow. With its Code Assistant capability, Fynix empowers developers to write cleaner and more efficient code at a faster rate, while the upcoming Code Quality Agent aims to enhance bug detection and maintain coding standards. Supporting multiple programming languages and frameworks, along with compatibility with tools like Jira, Fynix emerges as a versatile solution that promotes better coding practices and encourages team collaboration. As developers continuously seek to refine their skills and produce high-quality code, Fynix has established itself as a vital partner in the evolving realm of software development, ensuring that teams can work more effectively together. Ultimately, the platform represents a significant advancement in the tools available to developers striving for excellence in their craft.

Codespell.ai is an innovative tool that harnesses the power of AI to enhance coding quality and boost developer productivity. One of its standout features, Design Studio, streamlines the project initiation process by automatically creating starter-kit codebases along with well-organized designs, making the development journey smoother and more efficient. Additionally, this tool empowers developers by reducing the time spent on repetitive tasks, allowing them to focus more on creative coding solutions.

ByteRover represents a groundbreaking enhancement layer designed to boost memory capabilities for AI coding agents, enabling the generation, retrieval, and sharing of "vibe-coding" memories across various projects and teams. Tailored for a dynamic AI-assisted development setting, it integrates effortlessly into any AI IDE via the Memory Compatibility Protocol (MCP) extension, which allows agents to automatically save and retrieve contextual knowledge without interrupting current workflows. Among its offerings are immediate IDE integration, automated memory management, user-friendly tools for creating, editing, deleting, and prioritizing memories, alongside collaborative intelligence sharing to maintain consistent coding standards, thereby empowering developer teams of any size to elevate their AI coding productivity. This innovative system not only minimizes repetitive training requirements but also guarantees the existence of a centralized, easily accessible memory repository. By adding the ByteRover extension to your IDE, you can swiftly begin leveraging agent memory across a variety of projects within mere seconds, significantly enhancing both team collaboration and coding effectiveness. Moreover, this streamlined process fosters a cohesive development atmosphere, allowing teams to focus more on innovation and less on redundant tasks.

Junie, the AI coding agent by JetBrains, revolutionizes the way developers interact with their code by embedding intelligent assistance directly into JetBrains IDEs like WebStorm, RubyMine, and GoLand. Designed to fit naturally into developers’ existing workflows, Junie helps tackle both small and ambitious coding tasks by providing tailored execution plans and automated code generation. It combines the power of AI with IDE capabilities to perform code inspections, syntax checks, and run tests automatically, maintaining code quality without manual intervention. Junie offers two distinct modes: one for executing code tasks and another for interactive querying and planning, allowing developers to seamlessly collaborate with the agent. Its ability to comprehend code relationships and project logic enables it to propose efficient solutions and reduce time spent on debugging. Developers from various fields, including game development and web design, have showcased impressive projects built entirely or partly with Junie’s assistance. The tool supports multi-file edits and integrates version control system (VCS) assistance, making complex refactoring easier and safer. JetBrains offers multiple pricing plans tailored to individuals and organizations, ranging from free tiers to premium AI Ultimate for intensive daily use. By handling repetitive coding chores, Junie frees developers to focus on the creative and strategic aspects of software development. Overall, Junie stands as a powerful AI companion transforming traditional coding into a smarter, more collaborative experience.

Participate in collaborative conversations about your codebase while your AI coding assistant seamlessly updates multiple files within your chosen IDE! By automatically incorporating all active files in your editor, the assistant can utilize up to 128,000 tokens in its context memory. The AI handles various coding tasks, enabling you to either approve the comprehensive multi-file patch, choose specific sections to modify, or request further changes as necessary. Codebuddy is equipped to thoroughly scan your entire repository and establish a vector database, which allows it to identify suitable files for your needs or offer insights into your codebase, particularly useful if you aren't fully acquainted with it. This AI coding assistant boasts a profound knowledge of your repository, empowering you to create new files or alter numerous existing ones with a single command. Moreover, Codebuddy will automatically format code as a unified patch (diff), thereby enhancing your coding journey with exceptional multi-file capabilities. As a result of these advancements, your coding workflow can become significantly more efficient, leading to a notable boost in your overall productivity and allowing you to focus more on creative problem-solving.

Lingma is an AI-powered coding assistant from Alibaba Cloud, designed to significantly improve software development efficiency. It boasts features like real-time code completion at both line and function levels, natural language code generation, and intelligent troubleshooting, allowing developers to express their needs in straightforward terms and receive automatically generated code directly in their editors. With support for over 200 programming languages, Lingma provides comprehensive code explanations along with visual flow diagrams for enhanced understanding. It also evaluates codebases to create unit tests, automatically compiles and executes code, and resolves issues to enhance test coverage. Users can upload images for contextual insight, which helps in generating relevant code or implementing fixes based on their outlined requirements. For corporate environments, Lingma integrates effortlessly with private data sources such as documents and repositories, refining its outputs to align with company policies and improving its relevance in professional settings. This integration not only enhances individual productivity but also cultivates a collaborative environment for development teams, streamlining workflows across various projects and ensuring that all team members can work more effectively together. Ultimately, Lingma stands out as a versatile tool that adapts to diverse needs and enhances the overall coding experience.

Mistral Code is a revolutionary AI-powered coding assistant designed specifically for enterprise engineering teams, combining powerful models, an intuitive in-IDE assistant, and flexible deployment options into one fully supported, secure package. Based on the open-source Continue project, Mistral Code enhances and extends its capabilities by adding enterprise-grade features such as fine-grained role-based access control, audit logging, and comprehensive observability tools to meet stringent IT and security requirements. It incorporates four state-of-the-art models—Codestral for autocomplete, Codestral Embed for code search, Devstral for agentic coding, and Mistral Medium for chat assistance—offering developers unprecedented assistance from instant code completions to fully scoped multi-step refactoring and ticket completion. The platform supports over 80 programming languages and can understand context across files, Git diffs, terminal outputs, and issue trackers, enabling deeper automation than traditional copilots. Enterprises can deploy Mistral Code serverless in the cloud, on reserved capacity, or on-premises with air-gapped GPU setups, ensuring complete data sovereignty and compliance. Addressing common blockers cited by engineering leaders, Mistral Code integrates all components under a single SLA, avoiding fragmented vendor relationships. Leading organizations like Abanca, SNCF, and Capgemini have successfully implemented Mistral Code at scale, leveraging its hybrid deployment model to balance innovation and security. IT managers benefit from a robust admin console offering detailed platform controls, seat management, and usage insights to optimize resource allocation and monitor AI-driven developer productivity. The platform is currently in private beta for JetBrains IDEs and VSCode, with plans for general availability and open contributions to the upstream open-source project. Mistral Code represents the next generation of enterprise AI coding assistants.