List of the Top 21 AI Coding Agents for Java in 2025

Amp by Sourcegraph is an innovative agentic coding platform that empowers developers to write better software faster through autonomous AI-driven reasoning and editing capabilities. Utilizing state-of-the-art AI models, Amp automates complex coding tasks, producing high-impact, production-quality code changes with minimal manual intervention. It integrates natively with developer environments, offering a command-line interface and VS Code extension so users can work in familiar tools without needing a separate UI. Collaboration is built-in: team members automatically share code threads, workflows, and context, enabling knowledge reuse and collective improvement. The platform scales effortlessly from individual contributors to the largest enterprises, incorporating enterprise-grade security measures such as SSO, data privacy, and strict LLM data retention policies. Users consistently report that Amp outperforms other AI coding assistants in accuracy, speed, and ease of use. Sourcegraph supports its community with rich documentation, podcasts like Raising an Agent, and a responsive support forum. Amp’s focus on quality coding assistance rather than commodity solutions is a key differentiator. The platform aims to revolutionize software development by automating routine tasks while preserving developer control and creativity. With its continuous updates and commitment to excellence, Amp is accelerating how teams build software worldwide.

Windsurf is an innovative IDE built to support developers with AI-powered features that streamline the coding and deployment process. Cascade, the platform’s intelligent assistant, not only fixes issues proactively but also helps developers anticipate potential problems, ensuring a smooth development experience. Windsurf’s features include real-time code previewing, automatic lint error fixing, and memory tracking to maintain project continuity. The platform integrates with essential tools like GitHub, Slack, and Figma, allowing for seamless workflows across different aspects of development. Additionally, its built-in smart suggestions guide developers towards optimal coding practices, improving efficiency and reducing technical debt. Windsurf’s focus on maintaining a flow state and automating repetitive tasks makes it ideal for teams looking to increase productivity and reduce development time. Its enterprise-ready solutions also help improve organizational productivity and onboarding times, making it a valuable tool for scaling development teams.

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.

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.

Accelerate the speed and efficiency of software development and delivery by harnessing the power of generative AI, while maintaining strong enterprise security and privacy measures. Gemini Code Assist enhances your coding experience through its ability to complete your code in real-time and generate full code segments or functions upon request. This dynamic coding tool is compatible with a wide range of popular integrated development environments (IDEs) such as Visual Studio Code and various JetBrains IDEs, including IntelliJ, PyCharm, GoLand, and WebStorm, as well as Cloud Workstations and Cloud Shell Editor, supporting over 20 different programming languages like Java, JavaScript, Python, C, C++, Go, PHP, and SQL. With a user-friendly natural language chat interface, Gemini Code Assist allows for seamless interaction, providing answers to your programming questions or offering insights into best coding practices, and this chat feature is available across all supported IDEs. Organizations can customize Gemini Code Assist by integrating their proprietary codebases and knowledge libraries, thus enabling the tool to deliver more tailored assistance that meets unique enterprise requirements. Moreover, Gemini Code Assist is designed to facilitate substantial changes across entire codebases, thereby greatly enhancing the development workflow. This versatile approach not only increases productivity but also empowers teams to innovate at a faster pace in a secure setting, ultimately driving success in software projects. As organizations adapt to evolving technological landscapes, tools like Gemini Code Assist become essential in maintaining a competitive edge.

bolt.diy serves as an open-source platform designed to enable developers to easily create, modify, deploy, and run comprehensive web applications using a wide range of large language models (LLMs). This platform features an array of models, including OpenAI, Anthropic, Ollama, OpenRouter, Gemini, LMStudio, Mistral, xAI, HuggingFace, DeepSeek, and Groq. By providing seamless integration through the Vercel AI SDK, it allows users to customize and enhance their applications with their chosen LLMs. The user-friendly interface of bolt.diy simplifies AI development processes, making it an ideal tool for both experimentation and solutions ready for production. Its flexibility ensures that developers, regardless of their experience level, can effectively leverage AI capabilities in their projects. Additionally, bolt.diy fosters a collaborative environment where developers can share insights and improvements, further enhancing the community-driven aspect of AI development.

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.

Cody is a sophisticated AI coding assistant created by Sourcegraph to improve software development's efficiency and quality. It works effortlessly within popular Integrated Development Environments (IDEs) such as VS Code, Visual Studio, Eclipse, and various JetBrains tools, offering features like AI-enhanced chat, code autocompletion, and inline editing, all while preserving existing workflows. Tailored forenterprise teams, Cody focuses on maintaining consistency and quality throughout entire codebases by leveraging extensive context and shared prompts. Moreover, it broadens its contextual insights beyond mere code by integrating with platforms like Notion, Linear, and Prometheus, thus creating a comprehensive picture of the development landscape. By utilizing advanced Large Language Models (LLMs), including Claude Sonnet 4 and GPT-4o, Cody provides customized assistance that can be fine-tuned for various applications, striking a balance between speed and performance. Users have reported notable increases in productivity, with some indicating time savings of around 5-6 hours weekly and a doubling of their coding efficiency when utilizing Cody. As developers continue to explore its features, the potential for Cody to transform coding practices becomes increasingly evident.

Fine is a cutting-edge platform that harnesses artificial intelligence to assist startups by automating numerous processes within the software development lifecycle. It offers a range of AI-driven workflows that simplify tasks such as coding, debugging, testing, and code review, empowering teams to implement daily updates and quickly address pull requests. Fine can autonomously generate and implement code, evaluate pull requests, design tests, and tackle standard challenges without requiring constant supervision from developers. With seamless integration into GitHub, it supports asynchronous collaboration, making it particularly suitable for fast-paced startup settings. Furthermore, Fine provides real-time feedback and live previews, significantly boosting productivity and refining the overall development process. By utilizing these sophisticated capabilities, teams can devote more attention to strategic initiatives while the platform efficiently manages routine tasks, ultimately leading to a more streamlined development experience. This innovative approach not only enhances team efficiency but also fosters an environment where creativity and innovation can thrive.

Introducing MarsCode: a cutting-edge AI development platform ready for immediate implementation. This state-of-the-art tool boasts an 'out-of-the-box cloud AI IDE' alongside a 'robust AI assistant,' making it indispensable for developers eager to elevate their skills while optimizing their workflows. Its key features include: 1. A cloud-based AI IDE that liberates developers from the constraints of specific devices and locations. 2. Compatibility with local IDEs, blending traditional development methodologies with advanced AI functionalities. 3. A comprehensive suite of tools for code completion, bug detection, and optimization, providing smart assistance throughout the entire coding experience. 4. An intelligent Q&A feature at the repository level that allows developers to focus on their work with enhanced ease. 5. Flexible deployment options for various application types, such as websites, AI plugins, and APIs, addressing a wide spectrum of development needs. With MarsCode, developers not only unlock powerful resources but also discover an elevated level of productivity and efficiency in their projects. This innovative platform is set to transform the way developers approach their coding tasks.

Cline is an autonomous coding assistant seamlessly embedded in your IDE, capable of creating and modifying files, executing commands, browsing the internet, and more, all while ensuring you provide explicit consent at each step of the process. This tool is specifically designed to address complex software development issues in a systematic manner. With its ability to generate and alter files, navigate large codebases, access web resources, and execute terminal commands upon your approval, Cline offers a level of support that goes beyond basic code completion or technical help. In contrast to conventional AI scripts that function in isolated settings, this extension boasts an intuitive interface that necessitates your consent for every modification and command, thereby promoting a secure and user-friendly experience with autonomous AI. By utilizing such a system, developers are empowered to discover creative solutions while retaining complete oversight of their coding environment, thus enhancing productivity and innovation in 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.

Codex CLI is an open-source local coding agent designed to work seamlessly with your command line interface. It leverages OpenAI’s powerful Codex models to assist developers with writing, editing, and understanding code faster and more accurately. By integrating Codex CLI into their workflows, developers can automate repetitive tasks, get real-time code suggestions, and troubleshoot coding issues directly from their terminal. This tool provides a hands-on approach to coding automation, empowering developers to increase their productivity without needing to leave their preferred environment. With Codex CLI, developers can streamline their coding process, debug code with ease, and accelerate development, making it an invaluable tool for enhancing efficiency and code quality.

Kiro is a sophisticated integrated development environment driven by artificial intelligence, aimed at optimizing AI-enhanced programming by converting natural language commands into organized requirements, system designs, and detailed implementation tasks, all of which undergo rigorous testing. Specifically tailored for autonomous workflows, it boasts functionalities such as specification-driven development, multimodal interactions, and "agent hooks" that trigger background operations during specific events like file saving, in addition to an autopilot feature that manages lengthy scripts while keeping the user actively involved. By proficiently handling context, Kiro reduces redundancy and eases the incorporation of intricate features within large codebases. Its native integrations with MCP facilitate effortless connections to documentation, databases, and APIs, while users can guide the development process through visual tools like user interface designs or architectural schematics. Emphasizing enterprise-grade security and privacy, Kiro ensures secure deployment, and its compatibility with Claude Sonnet models, Open VSX plugins, and established VS Code setups provides a seamless and AI-enhanced user experience. Furthermore, the platform is designed for continuous growth, adapting to user input and technological advancements to uphold its leadership in the realm of software development tools. This ongoing evolution guarantees that Kiro remains relevant and effective in meeting the dynamic needs of modern programmers.

Craft modern web applications effortlessly and swiftly with Replit's innovative platform. Just express your requirements, and the Replit AI Agent will bring your vision to life. Meet Replit Agent, an advanced AI tool designed to simplify coding for all users. You can develop projects at an incredible pace, having them ready for deployment in a matter of minutes. Simply describe the application or website you wish to build, and Replit AI will help you enhance your ideas for the best results possible. The Replit Agent will outline a plan to make your concepts come to fruition. Start with a simple prototype and progressively add more features by issuing clear instructions. Elevate your project using an intuitive chat interface, where the agent will request your input after every stage of the development process, ensuring your specifications are seamlessly incorporated into future tasks. You can launch your application or website to a live URL in just a few minutes. Thanks to Google Cloud support, Replit Deployments enable you to introduce your startup, optimize workflows, broaden your reach, and achieve more than ever before—all at an unparalleled speed. Furthermore, with ongoing updates and enhancements, your projects will continue to grow in alignment with your aspirations, adapting as your needs evolve.

OpenAI Codex is a next-generation AI tool that acts as a software engineering agent, enabling developers to automate a wide range of tasks and improve their workflow efficiency. With Codex, developers can delegate multiple tasks simultaneously, including feature writing, codebase inquiries, testing, and proposing pull requests for review. Each task is handled in its own secure cloud sandbox, preloaded with the relevant repository to ensure safe and accurate execution. Codex runs in parallel, making it easier for developers to manage multiple tasks without getting bogged down in repetitive work. Available to ChatGPT Pro, Enterprise, and Team users, with additional access for Plus and Edu users coming soon, Codex accelerates project timelines and helps teams reduce manual effort. By integrating Codex into their development process, teams can increase productivity, improve code quality, and reduce time spent on mundane tasks, ultimately speeding up the delivery of features and products.

Cosine possesses the ability to understand both overarching ideas and detailed specifics, providing responses that exceed human performance. Our methodology goes beyond being a simple enhancement to an LLM; it incorporates a variety of techniques such as static analysis and semantic search, among others. When you inquire about implementing a new feature or modifying existing code, simply ask Cosine, and we will deliver a thorough, step-by-step guide tailored to your needs. Cosine carefully organizes your codebase, gaining insights on multiple levels; from the interconnections between files and functions to a detailed semantic analysis of the code itself, guaranteeing that any question related to your codebase can be thoroughly answered. On the other hand, Genie is recognized as the premier AI software engineer, achieving an outstanding evaluation score of 30% on the respected SWE-Bench benchmark. It demonstrates remarkable proficiency in debugging, feature development, and code refactoring, executing these tasks either autonomously or in conjunction with the user, fostering a collaboration that feels like working with a colleague rather than just having a copilot. Both Cosine and Genie revolutionize the expectations for what AI can accomplish in the realm of software engineering, setting a new benchmark for the industry. This evolution in AI capabilities signals a transformative shift in how developers approach coding challenges, ultimately enhancing productivity and innovation.