Find and compare the best Artificial Intelligence software for IntelliJ IDEA in 2026
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Use the comparison tool below to compare the top Artificial Intelligence software for IntelliJ IDEA on the market. You can filter results by user reviews, pricing, features, platform, region, support options, integrations, and more.
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Claude Sonnet 4 is an advanced AI model that enhances coding, reasoning, and problem-solving capabilities, perfect for developers and businesses in need of reliable AI support. This new version of Claude Sonnet significantly improves its predecessor’s capabilities by excelling in coding tasks and delivering precise, clear reasoning. With a 72.7% score on SWE-bench, it offers exceptional performance in software development, app creation, and problem-solving. Claude Sonnet 4’s improved handling of complex instructions and reduced errors in codebase navigation make it the go-to choice for enhancing productivity in technical workflows and software projects.
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vStellar is an all-in-one automated software testing platform designed to accelerate QA processes through a low-code framework that eliminates repetitive manual testing. With comprehensive support for UI, API, mobile, performance, and accessibility testing, it provides a unified solution for complex testing environments. The platform integrates directly with IntelliJ IDEA, allowing users to install a lightweight plugin and begin creating and executing test cases instantly. Teams can define locators, endpoints, and execution parameters visually, then run unlimited test cases with advanced parallelization. Built-in reporting dashboards offer real-time visibility into test results and system performance, while CI/CD integration ensures continuous quality validation during deployments. vStellar’s flexibility supports diverse environments and browsers, enabling consistent validation across platforms and devices. Companies leverage it to reduce QA effort, accelerate release cycles, and enhance overall reliability. With its combination of ease of use and technical depth, vStellar redefines how teams automate testing at scale.
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Claude Opus 4.6
Anthropic
1 RatingClaude Opus 4.6 is a state-of-the-art AI model from Anthropic, designed to deliver advanced reasoning, coding, and enterprise-level performance. It improves significantly on previous versions with better planning, debugging, and code review capabilities. The model can sustain long-running, agentic workflows and operate effectively across large codebases. One of its key features is a 1 million token context window in beta, allowing it to handle extensive documents and complex tasks. Claude Opus 4.6 excels in knowledge work, including financial analysis, research, and document creation. It also performs strongly on industry benchmarks, leading in areas like agentic coding and multidisciplinary reasoning. The model includes adaptive thinking, enabling it to adjust its reasoning depth based on task complexity. Developers can control performance using adjustable effort levels for speed, cost, and accuracy. It integrates with productivity tools such as Excel and PowerPoint for enhanced workflow automation. Overall, Claude Opus 4.6 provides a powerful and reliable AI solution for professional and enterprise use cases. -
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Claude Sonnet 4.6
Anthropic
1 RatingClaude Sonnet 4.6 represents a comprehensive upgrade to Anthropic’s Sonnet model line, delivering expanded capabilities across coding, reasoning, computer interaction, and professional knowledge tasks. With a beta 1M token context window, the model can process massive datasets such as full repositories, extended legal agreements, or multi-document research projects in a single request. Developers report improved reliability, better instruction adherence, and fewer hallucinations, making long working sessions smoother and more predictable. Early users preferred Sonnet 4.6 over its predecessor in the majority of tests and often selected it over Opus 4.5 for practical coding work. The model’s computer-use skills have advanced significantly, enabling it to navigate spreadsheets, complete web forms, and manage multi-tab workflows with near human-level competence in many cases. Benchmark evaluations show consistent performance gains across reasoning, coding, and long-horizon planning tasks. In competitive simulations like Vending-Bench Arena, Sonnet 4.6 demonstrated strategic capacity-building and profit optimization over time. On the developer platform, it supports adaptive and extended thinking modes, context compaction, and improved tool integration for greater efficiency. Claude’s API tools now automatically execute filtering and code-processing steps to enhance search and token optimization. Sonnet 4.6 is available across Claude.ai, Cowork, Claude Code, the API, and major cloud providers at the same starting price as Sonnet 4.5. -
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Refact.ai
Refact AI
$0Refact.ai is an advanced AI-powered assistant that integrates directly into your IDE, offering intelligent code completion, real-time code suggestions, and automatic refactoring to streamline the coding process. By using the AI model trained on your codebase, Refact.ai adapts to your team's style, providing highly relevant recommendations to enhance productivity. Developers can also fine-tune the assistant to better suit their unique requirements, making it a powerful tool for personalized coding assistance. With support for all major IDEs and secure on-premise deployment, Refact.ai empowers developers to increase code quality, reduce time spent on manual tasks, and achieve faster results. -
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Poolside
Poolside.ai
FreePoolside is an AI developer agent platform designed to bring intelligent coding assistance into the environments where software teams already build. Developers can use Poolside through the command line, popular IDEs, web access, and automated pipeline workflows. Its agents can assist with code generation, review, testing, automation, and repository-level tasks without forcing users to switch tools. The platform includes sandboxed execution so agent-generated code can be run and checked in a contained environment before it reaches production work. Teams can apply explicit permissions that define whether agents may read files, edit directories, execute commands, or access APIs. Poolside also adds checkpoints for AI-assisted work, making each agent action inspectable, reversible, and separate from standard Git history. The Poolside Console gives engineering leaders visibility into agent activity, policies, usage, costs, models, and compliance-related traceability. It supports Poolside’s own foundation models as well as third-party and self-hosted models through a consistent agent experience. With its developer-focused integrations and administrative oversight, Poolside helps teams adopt AI agents while maintaining control, security, and accountability. -
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GitLab Duo
GitLab
$19/user/ month Accelerate the development of highly secure software with the assistance of AI throughout every phase of the software development process. GitLab Duo serves as an AI-enhanced companion that is seamlessly woven into the GitLab ecosystem, aiming to boost productivity and foster teamwork in software development. It offers smart code recommendations, aids in code refactoring and debugging, and simplifies workflows by automating mundane tasks. Additionally, GitLab Duo allows for natural language inquiries related to project management and development insights, granting developers a more intuitive way to engage with their repositories. With integration into popular IDEs such as JetBrains and Neovim, GitLab Duo provides uninterrupted support within the environments that developers favor. Through the fusion of AI-driven productivity and GitLab’s comprehensive DevSecOps capabilities, GitLab Duo empowers teams to produce superior software at a quicker pace while enhancing collaborative efforts. This innovative tool ultimately transforms the way teams approach software development. -
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Latta
Latta
$0.05 per fixLatta AI is a cutting-edge platform aimed at optimizing the software development workflow through automated bug detection and resolution. By capturing user sessions and employing AI-based solutions, Latta AI empowers developers, project managers, and testers to concentrate on creating new features, which ultimately enhances productivity and speeds up release timelines. The platform is designed to integrate effortlessly with widely-used version control systems such as GitHub and GitLab while ensuring robust security measures to safeguard code integrity and confidentiality. In addition, Latta AI provides a plugin for JetBrains IDEs, which permits developers to utilize its bug-fixing capabilities directly within their coding environment. This seamless integration allows for rapid identification and resolution of problems without having to exit the IDE. Furthermore, Latta AI's objective is to cut down the time developers dedicate to debugging by as much as 40%, significantly improving overall efficiency and enabling teams to prioritize innovation and creativity in their projects. By minimizing the burden of bug fixing, Latta AI plays a crucial role in transforming the software development landscape. -
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Fynix
Fynix
FreeFynix serves as an AI-driven platform aimed at enhancing software development efficiency by providing smart coding assistance and agent-based code reviews. This tool seamlessly integrates with widely used IDEs such as VS Code, offering features like context-aware autocomplete, natural language inputs for code corrections and translations, along with automatic visualizations of code flow. The Code Assistant feature of Fynix enables developers to produce cleaner and more efficient code at an accelerated pace, and the forthcoming Code Quality Agent promises to streamline bug detection while upholding coding standards. Supporting a variety of programming languages and frameworks, and compatible with tools like Jira, Fynix proves to be a flexible solution for fostering improved coding practices and team collaboration. As developers strive for excellence in their coding endeavors, Fynix stands out as an essential ally in the software development landscape. -
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SoftSpell
SoftSpell
$15/month/ user SoftSpell is an end-to-end AI-driven SDLC intelligence platform that streamlines software development from requirements to deployment. It builds on CodeSpell’s foundation by expanding capabilities into requirement analysis, architecture design, coding, and automated testing. The platform includes specialized modules such as ReqSpell for documentation, CodeSpell for development, and TestSpell for validation. SoftSpell is particularly effective in legacy modernization, helping organizations transform monolithic systems into scalable, cloud-ready solutions. It automates key processes like requirement extraction, code transformation, and test case generation, reducing manual effort. The platform enhances collaboration by improving documentation clarity and aligning cross-functional teams. It integrates seamlessly with major IDEs like VS Code, Eclipse, and IntelliJ. SoftSpell also improves code quality and consistency through AI-driven validation and continuous integration support. By accelerating development workflows, it reduces time-to-market and operational costs. Overall, SoftSpell enables organizations to build, modernize, and deploy software more efficiently with AI-powered intelligence. -
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BaseRock AI
BaseRock AI
$14.99 per monthBaseRock.ai is an innovative platform specializing in AI-enhanced software quality that streamlines both unit and integration testing, allowing developers to create and run tests straight from their favorite IDEs. Utilizing cutting-edge machine learning algorithms, it assesses codebases to produce detailed test cases that guarantee thorough code coverage and enhanced quality. By integrating effortlessly with CI/CD workflows, BaseRock.ai aids in the early identification of bugs, which can lead to a reduction in QA expenditures by as much as 80% while also increasing developer efficiency by 40%. The platform boasts features such as automated test creation, instant feedback, and compatibility with a variety of programming languages, including Java, JavaScript, TypeScript, Kotlin, Python, and Go. Additionally, BaseRock.ai provides a range of pricing options, including a complimentary tier, to suit diverse development requirements. Many top-tier companies rely on BaseRock.ai to improve software quality and speed up the delivery of new features, making it a valuable asset in the tech industry. Its commitment to continuous improvement ensures that it remains at the forefront of software testing solutions. -
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ByteRover
ByteRover
$19.99 per monthByteRover serves as an innovative memory enhancement layer tailored for AI coding agents, facilitating the creation, retrieval, and sharing of "vibe-coding" memories among various projects and teams. Crafted for a fluid AI-supported development environment, it seamlessly integrates into any AI IDE through the Memory Compatibility Protocol (MCP) extension, allowing agents to automatically save and retrieve contextual information without disrupting existing workflows. With features such as instantaneous IDE integration, automated memory saving and retrieval, user-friendly memory management tools (including options to create, edit, delete, and prioritize memories), and collaborative intelligence sharing to uphold uniform coding standards, ByteRover empowers developer teams, regardless of size, to boost their AI coding productivity. This approach not only reduces the need for repetitive training but also ensures the maintenance of a centralized and easily searchable memory repository. By installing the ByteRover extension in your IDE, you can quickly begin harnessing and utilizing agent memory across multiple projects in just a few seconds, leading to enhanced team collaboration and coding efficiency. -
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Verdent
Verdent
$19 per monthVerdent is an advanced development platform powered by AI, aimed at assisting developers in managing intricate projects and producing code that is both efficient and reliable for production use. It features two main products: Verdent Deck, a desktop application, and Verdent for VS Code, which serves as an integrated extension. Both tools facilitate the operation of multiple AI agents concurrently, utilize DiffLens for clarifying code changes by highlighting modifications and their reasons, offer code reviews driven by GPT-5 technology, implement a Plan-first Alignment for organized execution, and incorporate a browser tool along with a verifier subagent for accuracy checks. Verdent Deck enables developers to efficiently handle numerous tasks with oversight in isolated environments, allowing for asynchronous completion while maintaining a comprehensive view of the project's status and progress. On the other hand, Verdent for VS Code functions as an AI coding assistant that autonomously plans, develops, and verifies tasks directly within the editor, making it particularly beneficial for engineers who prioritize precision, clarity, and reliable outcomes in environments that demand production-grade quality. This dual approach ensures that developers can tackle even the most complex challenges with confidence and effectiveness. -
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TRAE SOLO
TRAE
$3 per monthTRAE SOLO is a highly adaptive coding assistant designed specifically for real-world software development, effortlessly merging with a developer’s entire tech stack, including their editor, terminal, browser, documentation, design tools, and deployment systems, to transform ideas from mere concepts into fully realized products. The platform allows for input through natural language or voice commands, enabling users to articulate their needs while it systematically organizes their ideas, identifies the appropriate context and tools, performs tasks across various environments, autonomously generates and reviews code, conducts testing and optimization processes, and ultimately deploys the finished product, all within a cohesive workspace that allows for seamless transitions between AI-driven and manual operations. In addition, TRAE SOLO accommodates multiple agents functioning simultaneously, each equipped with its unique model and context, thus granting users the ability to select the most suitable model for any given task, track each agent’s progress in real time, and make adjustments or redirections whenever necessary, enhancing overall productivity and collaboration. With its comprehensive features, TRAE SOLO stands out as an essential tool for modern developers aiming to streamline their workflow and increase efficiency. -
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Forge Code
Forge Code
$20 per monthForge Code is an AI-driven pair-programming tool that operates within the terminal, allowing users to manage their entire codebase through conversational commands. It integrates effortlessly into your shell environment, meaning there's no need to disrupt your current IDE or workflow; you can continue using the tools you are familiar with. Once activated, Forge Code gains insight into project files, Git history, dependencies, and the surrounding environment, enabling it to grasp the structure of your codebase and respond to queries without needing constant clarifications. It features a dual-agent system, consisting of a “Forge Agent” that carries out code modifications and executes real-time operations, alongside a “Muse Agent” that focuses on planning, evaluating, and reviewing code without making any alterations to your files. Furthermore, Forge Code can be utilized with your chosen AI service providers or self-hosted LLMs, ensuring you maintain complete oversight of your code's handling and the model's operation. This flexibility allows developers to tailor the experience according to their specific needs and preferences. -
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Kilo Code Reviewer
Kilo Code
FreeKilo Code Reviewer is an innovative code review tool that utilizes AI to assess pull requests instantly upon their creation or modification, comprehending the context of the changes and delivering practical feedback through inline comments, detailed explanations, and suggestions aimed at identifying bugs, security vulnerabilities, performance issues, style inconsistencies, gaps in testing, and missing documentation prior to human evaluation. This tool boasts seamless integration with platforms like GitHub, GitLab, and is set to incorporate Bitbucket soon, allowing users to select from a variety of models while adjusting the rigor and focus of reviews to align with their team's coding standards. Moreover, it can be executed locally within popular IDEs such as VS Code or JetBrains, enabling developers to detect problems before they commit their code. The setup process is straightforward: simply link a repository, choose an AI model and review parameters, and the system automatically begins monitoring pull requests, thereby ensuring consistent adherence to coding guidelines and providing immediate, context-sensitive insights that enhance the capabilities of human reviewers. As a result, Kilo Code Reviewer not only streamlines the review process but also significantly improves code quality and team productivity. -
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CoStrict
zgsm-ai
FreeCoStrict is a sophisticated AI programming platform tailored for enterprises, aimed at supporting developers throughout all stages of the software development lifecycle by integrating code generation, coding assistance, code completion, and automated code review into one cohesive system. This platform embraces a "quality-first" development methodology, where features such as Strict Mode decompose requirements into organized phases, including analysis, architectural design, task planning, and automatic test creation prior to coding, thereby ensuring high-quality results right from the outset. It employs retrieval-augmented techniques to analyze entire codebases, enabling it to grasp project context, leverage existing standards, and deliver exceptionally relevant recommendations and enhancements. Additionally, it boasts an AI agent that can generate code, respond to queries, optimize logic, and enrich documentation in real-time, while its code completion functionalities significantly enhance the speed of development. By streamlining the entire process, CoStrict empowers developers to produce robust software solutions with greater efficiency and precision. -
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iFlow
iFlow
FreeiFlow is an innovative development and productivity platform powered by artificial intelligence, focusing on its terminal-based assistant, iFlow CLI, which allows users to engage with sophisticated AI models straight from their command-line interface to streamline coding, analysis, and workflow tasks. This platform is adept at comprehending entire codebases and interpreting contextual needs, enabling it to perform a wide array of tasks from straightforward file manipulations to intricate multi-step automations, all facilitated through natural language commands instead of traditional input methods. By integrating cutting-edge AI models, it empowers users with functionalities such as code generation, debugging, documentation assistance, and optimization, all accessible through a unified interface while ensuring seamless compatibility with popular development tools and environments like Visual Studio Code, JetBrains IDEs, and CI/CD pipelines. Notably, its multi-agent architecture features specialized "SubAgents" that work in tandem to decompose and tackle complex tasks simultaneously, enhancing efficiency and productivity. With such capabilities, iFlow not only simplifies the development process but also fosters collaboration and innovation within software teams. -
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ProxyAI
ProxyAI
$20 per monthProxyAI is an innovative coding assistant powered by artificial intelligence, specifically designed to seamlessly integrate into development environments like JetBrains IDEs, including IntelliJ, PyCharm, and WebStorm. By offering context-sensitive code suggestions and automating routine programming tasks, it enhances developers' workflows, leading to greater speed and productivity. Users can benefit from its support for various large language model providers, granting them the flexibility to select models that best suit their performance, budget, and feature requirements. Additionally, it boasts capabilities such as generating and implementing diff patches to modify code across several files, which eliminates the hassle of manual copy-pasting and simplifies the process of making code adjustments. Acting as a centralized platform for AI-enhanced development, ProxyAI connects to multiple AI services, providing a single-access point while ensuring that users retain control over their data and code ownership, thus fostering a more secure development environment. This comprehensive solution not only streamlines coding practices but also empowers developers to leverage the latest in AI technology. -
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GPT-5.5 Pro
OpenAI
$30 per 1M tokens (input)GPT-5.5 Pro is a next-generation AI model built for execution-heavy tasks across coding, research, business analysis, and scientific workflows. It can interpret complex instructions, break them into steps, and carry work through to completion using tools and automation. The model supports tasks such as generating documents, building applications, analyzing datasets, and navigating software environments. It is designed to operate across tools, enabling seamless workflows from idea to output. In addition, GPT-5.5 Pro integrates with workspace agents—customizable AI agents that automate recurring and multi-step processes across teams. These agents can handle tasks like lead research, reporting, and workflow automation, running independently or on schedules. Built with enterprise-grade safeguards, the model ensures secure and controlled automation. It helps organizations improve productivity by reducing manual effort and accelerating decision-making. GPT-5.5 Pro is ideal for teams looking to scale operations and handle complex workloads efficiently. -
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Laguna XS.2
Poolside
FreeLaguna XS.2 represents Poolside’s innovative open-weight coding model, distinguished as the lightest and quickest member of the Laguna series. This model features a total of 33 billion parameters in a Mixture of Experts setup, with 3 billion parameters activated, and has been meticulously trained in-house using 30 trillion tokens. As the latest generation model accessible to the public, it embodies a second-generation architecture and marks Poolside’s inaugural open-weight offering, drawing from insights gained during the training of Laguna M.1 with synthetic data and reinforcement learning techniques. Specifically designed to enhance agentic coding workflows, Laguna XS.2 excels in coding, acting, and rapidly iterating, particularly within Poolside’s coding agent environment. This model is particularly advantageous for developers and teams seeking a lightweight, efficient coding solution rather than a more cumbersome frontier system. Released under the permissive Apache 2.0 license, it empowers the community to assess, fine-tune, quantize, and build upon its weights, fostering a collaborative development atmosphere. In essence, Laguna XS.2 not only provides a robust platform for agentic coding but also encourages innovation and experimentation among its users. -
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Laguna M.1
Poolside
FreeLaguna M.1 stands out as Poolside's most proficient model for agentic coding, meticulously developed in-house specifically for enhancing software development workflows. This model features a total of 225 billion parameters, utilizing a Mixture of Experts architecture with 23 billion activated parameters, and has been trained entirely within the organization on a dataset consisting of 30 trillion tokens, leveraging the power of 6,144 interconnected NVIDIA H200 GPUs. Poolside undertook the task of training Laguna M.1 from the ground up, employing its proprietary data, dedicated training codebase, and an asynchronous on-policy reinforcement learning approach within its agent framework, all tailored for agentic coding applications. The design of the model ensures optimal performance within Poolside's coding agent, enabling it to effectively reason through software tasks, interact with various tools, edit code, execute tests, and facilitate extended autonomous development sessions. Specifically crafted for developers and teams tackling intricate coding challenges, Laguna M.1 offers enhanced capabilities in reasoning, architectural comprehension, terminal operations, and multi-step execution, surpassing what lighter models can achieve. Ultimately, its robust feature set positions it as an essential asset for those engaged in demanding software projects. -
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P4
Perforce
P4 (formerly Helix Core) is a high-performance version control system that provides robust capabilities for managing code, assets, and files across global development teams. It supports large-scale projects, enabling seamless collaboration and version tracking for both code and non-code assets, including 3D models and media files. Designed for industries with complex workflows, such as gaming, automotive, and software development, P4 offers unmatched scalability, security, and speed. The platform integrates easily with development tools, providing a comprehensive solution for teams seeking efficient version control across all stages of the development lifecycle. -
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Codebuddy
Codebuddy AI
$10/month Engage in discussions about your codebase while allowing your AI coding assistant to make updates across numerous files directly within your preferred IDE! With the capability to automatically include all files currently opened in your editor, you can leverage up to 128,000 tokens within the AI's context memory. The AI will handle the coding tasks, and you can either approve the multi-file patch, select parts of it, or request adjustments as needed. Codebuddy is designed to scan your entire repository and create a vector database, enabling it to choose appropriate files for you or provide insights about your codebase, especially if you're not entirely familiar with it. This AI coding assistant possesses an in-depth understanding of your repository, allowing you to create new files or modify several existing ones with a single command. Codebuddy will automatically insert code in a format that resembles a unified patch (diff), enhancing your coding experience with unparalleled multi-file support. By incorporating these features, you can significantly streamline your coding process and improve overall productivity. -
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Agentic StarShip
OpenCSG
Agentic StarShip is an all-encompassing platform powered by AI, created by OpenCSG to boost the efficiency of software development and enhance the quality of code. This platform comprises a variety of tools aimed at automating and refining multiple facets of the development lifecycle. Among its standout features is CodeSouler, a smart coding assistant that works effortlessly with widely-used IDEs, including Visual Studio Code and JetBrains. Agentic StarShip includes capabilities such as automatic code commenting, optimization, refactoring, and the generation of test cases. Additionally, it supports real-time explanations and question-and-answer sessions about the code, allowing developers to rapidly gain insights and make improvements to their codebases. The plugin enhances user experience with right-click context menus and interactive conversation boxes, while also providing operation commands that facilitate effective code manipulation. Another crucial aspect is SecScan, a tool powered by AI that conducts thorough analyses of source code to uncover and assess potential security vulnerabilities. This comprehensive suite not only aids in development but also promotes a culture of secure coding practices among developers.