Best AI Code Review Tools for GitLab

ZeroPath (YC S24) is an AI-native application security platform that delivers comprehensive code protection beyond traditional SAST. Founded by security engineers from Tesla and Google, ZeroPath combines large language models with deep program analysis to deliver intelligent security testing that finds real vulnerabilities while dramatically reducing false positives. Unlike traditional SAST tools that rely on pattern matching, ZeroPath understands code context, business logic, and developer intent. This enables identification of sophisticated security issues including business logic flaws, broken authentication, authorization bypasses, and complex dependency vulnerabilities. Our comprehensive security suite covers the application security lifecycle: 1. AI-powered SAST 2. Software Composition Analysis with reachability analysis 3. Secrets detection and validation 4. Infrastructure as Code scanning 5. Automated PR reviews 6. Automated patch generation and more... ZeroPath integrates seamlessly with GitHub, GitLab, Bitbucket, Azure DevOps and many more. The platform handles codebases with millions of lines across Python, JavaScript, TypeScript, Java, Go, Ruby, Rust, PHP, Kotlin and more. Our research team has been successful in finding vulnerabilities like critical account takeover in better-auth (CVE-2025-61928, 300k+ weekly downloads), identifying 170+ verified bugs in curl, and discovering 0-days in production systems at Netflix, Hulu, and Salesforce. Trusted by 750+ companies and performing 200k+ code scans monthly.

Aikido is the all-in-one security platform for development teams to secure their complete stack, from code to cloud. Aikido centralizes all code and cloud security scanners in one place. Aikido offers a range of powerful scanners including static code analysis (SAST), dynamic application security testing (DAST), container image scanning, and infrastructure-as-code (IaC) scanning. Aikido integrates AI-powered auto-fixing features, reducing manual work by automatically generating pull requests to resolve vulnerabilities and security issues. It also provides customizable alerts, real-time vulnerability monitoring, and runtime protection, enabling teams to secure their applications and infrastructure seamlessly.

Qodo, formerly Codium, analyzes your code to find bugs before you release. Qodo maps the behaviors of your code, identifies edge cases and tags anything suspicious. It then generates meaningful and clear unit tests that match the behavior of your code. You can see how your code behaves and how changes to your code affect the rest of the code. Code coverage is broken. Meaningful tests check functionality and give you the confidence to commit. Spend less time writing questionable tests and more time developing features that are useful to your users. Qodo analyzes your code, docstring and comments to suggest tests as you type. You only need to add them to your suite. Qodo focuses on code integrity. It generates tests that help you understand your code, find edge cases and suspicious behavior; and make your code more robust.

Bito helps developers and teams review code faster and with more consistency using AI. Our AI Code Review Agent looks at the full codebase to give smart, reliable suggestions on pull requests. Teams use Bito to speed up reviews, reduce regressions, and improve code quality without adding overhead. Bito works with GitHub, GitLab, and Bitbucket and requires no setup beyond a one-click install. No code is stored and no model is trained.

Amp is a next-generation coding agent engineered for developers working at the frontier of software development. It brings powerful AI agents directly into the terminal and code editors, allowing engineers to build, refactor, review, and explore large codebases with minimal friction. Unlike simple code assistants, Amp operates agentically, running subagents, managing context, and making coordinated changes across dozens of files. It supports multiple state-of-the-art models and continuously evolves with frequent updates, new agents, and performance improvements. Features like agentic code review, clickable diagrams, fast search subagents, and context-aware analysis make Amp feel like a true engineering partner rather than a chat tool. By reducing manual overhead and increasing leverage, Amp enables teams to focus on higher-level design and problem solving. The result is faster iteration, cleaner architectures, and more ambitious builds.

Snyk is the leader in developer security. We empower the world’s developers to build secure applications and equip security teams to meet the demands of the digital world. Our developer-first approach ensures organizations can secure all of the critical components of their applications from code to cloud, leading to increased developer productivity, revenue growth, customer satisfaction, cost savings and an overall improved security posture. Snyk is a developer security platform that automatically integrates with a developer’s workflow and is purpose-built for security teams to collaborate with their development teams.

Enhance the speed and efficiency of software development and delivery by leveraging generative AI support, all while ensuring robust enterprise security and privacy safeguards. Gemini Code Assist streamlines your coding process by completing your code as you type and can generate entire code blocks or functions upon request. This powerful code assistance tool is compatible with a variety of popular integrated development environments (IDEs) like Visual Studio Code and JetBrains IDEs (including IntelliJ, PyCharm, GoLand, and WebStorm), as well as Cloud Workstations and Cloud Shell Editor, supporting over 20 programming languages such as Java, JavaScript, Python, C, C++, Go, PHP, and SQL. Utilizing a natural language chat interface, you can easily interact with Gemini Code Assist to obtain solutions to your coding queries or gain insights into coding best practices, with chat functionality accessible across all supported IDEs. Organizations have the flexibility to tailor Gemini Code Assist by integrating their private codebases and knowledge repositories, enabling the tool to provide more personalized assistance that aligns with specific enterprise needs. Furthermore, Gemini Code Assist has the capability to facilitate extensive modifications across entire codebases, thereby optimizing the development workflow significantly. This adaptability not only boosts productivity but also empowers teams to innovate more rapidly in a secure environment.

ThinkReview is an innovative code-review solution powered by AI, designed specifically for developers utilizing GitLab and Azure DevOps, providing immediate assessments of merge requests and pull requests directly within the web interface. It eliminates the need for intricate setup or configuration by automatically recognizing when a MR/PR is being viewed, retrieving the relevant code changes, and presenting an AI-generated review panel that features concise summaries, security alerts, quality recommendations, and automatically generated comments. Users can interact in a conversational manner with the code modifications, pose inquiries, regenerate review insights, and get insightful follow-up questions to facilitate deeper discussions. It accommodates both self-hosted and cloud-based environments, operates seamlessly out of the box, and comes as a browser extension with functionalities like automatic MR/PR detection, intelligent summaries, comment creation, and support for multiple languages. Prioritizing efficiency and user-friendliness, ThinkReview aims to enhance code quality and speed up review processes by integrating AI into the developers’ existing workflows, ultimately fostering a more productive coding environment. By streamlining the code review process, it empowers teams to maintain high standards while accelerating development timelines.

Avoid being hampered by onboarding challenges, knowledge silos, or context switching by utilizing Swimm to create and modify documents that are seamlessly integrated with your code, automatically updated, and embedded in your workflow. With a language-agnostic editor and features like Smart Tokens and Snippet Studio, Swimm provides a robust foundation for contemporary documentation practices. Craft engaging, media-rich documents that are closely tied to your codebase with ease. The Auto-sync algorithm ensures your documentation remains aligned with any refactoring or structural changes, sparing you from the hassle of updating file names, function names, or implementations. Swimm actively monitors your documentation as your code changes, alerting you to any discrepancies that arise. You can conveniently access documents alongside the relevant code, maintaining your focus within your IDE. When you click a link, a new tab opens with the documentation rendered flawlessly from Markdown, ensuring a smooth and uninterrupted workflow. This streamlined approach not only enhances collaboration but also maximizes productivity, allowing teams to work more efficiently together.

Cody is an advanced AI coding assistant developed by Sourcegraph to enhance the efficiency and quality of software development. It integrates seamlessly with popular Integrated Development Environments (IDEs) such as VS Code, Visual Studio, Eclipse, and various JetBrains IDEs, providing features like AI-driven chat, code autocompletion, and inline editing without altering existing workflows. Designed to support enterprises, Cody emphasizes consistency and quality across entire codebases by utilizing comprehensive context and shared prompts. It also extends its contextual understanding beyond code by integrating with tools like Notion, Linear, and Prometheus, thereby gathering a holistic view of the development environment. By leveraging the latest Large Language Models (LLMs), including Claude Sonnet 4 and GPT-4o, Cody offers tailored assistance that can be optimized for specific use cases, balancing speed and performance. Developers have reported significant productivity gains, with some noting time savings of approximately 5-6 hours per week and a doubling of coding speed when using Cody.

Experience a privacy-centric approach to pull request evaluations that offers detailed code recommendations on each line and an evolving interactive chat feature. The changes within the pull request are summarized effectively, making it easier to grasp the purpose behind the modifications. Automated release notes are generated, ensuring they can be seamlessly integrated into your release documentation. Each code alteration is scrutinized with a thorough analysis, providing clear and actionable feedback that's ready for implementation. You can engage with the bot by asking questions directly within your code and supplying additional context for it to generate code snippets. As your conversations with the bot increase, its intelligence grows, leading to quicker review cycles and high-caliber suggestions for code changes. Your information remains private, allowing it to tailor the review process to your needs. This system continually adapts based on your interactions, enhancing the relevance of its recommendations to match your coding style and preferences over time.

Access immediate code evaluations from qualified engineers, augmented by AI technology. Each time you initiate a pull request, you can seamlessly integrate senior engineers into your workflow. Accelerate the delivery of superior, secure code with the support of AI-driven code assessments. Whether your development team comprises 5 or 5,000 members, PullRequest will elevate your code review system and tailor it to suit your requirements. Our expert reviewers assist in identifying security threats, uncovering concealed bugs, and addressing performance challenges prior to deployment. This entire process is integrated into your current tools for maximum efficiency. Our seasoned reviewers, bolstered by AI analysis, can target critical security vulnerabilities effectively. We employ advanced static analysis that incorporates both open-source resources and proprietary AI, providing reviewers with enhanced insights. Allow your senior personnel to focus on strategic initiatives while making substantial strides in resolving issues and refining code, even as other team members continue to develop. With this innovative approach, your team can maintain productivity while ensuring code quality.

Metabob identifies, interprets, and resolves coding issues arising from both human and AI sources. By leveraging advanced graph neural networks for detection and large language models for explanation and resolution, Metabob merges the strengths of both technologies. The graph neural networks analyze and categorize problematic code while maintaining contextual awareness. This problematic code, enriched with relevant context, is then stored in Metabob's backend system. The information retained in the backend is subsequently utilized by an integrated large language model. This model produces tailored explanations and solutions based on the context provided. Metabob's AI has been trained on an extensive dataset of millions of bug fixes executed by skilled developers. With a deep understanding of code logic and context, Metabob is capable of identifying intricate issues that span multiple codebases, automatically creating suitable fixes. The AI code review feature of Metabob can uncover hundreds of logical issues, including race conditions and unhandled edge cases, which often go unnoticed by conventional static analysis tools. This innovative approach not only enhances debugging efficiency but also elevates the overall quality of the codebase.

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.

Amazon Q Developer is an advanced AI assistant built for professional developers, combining coding intelligence with deep AWS expertise. It’s designed to handle every stage of development—from writing and refactoring code to performing upgrades and automating documentation. Integrated with major IDEs and the AWS Management Console, it empowers developers to code faster and operate smarter using secure, context-aware assistance. Its agentic automation can autonomously implement features, test applications, and perform large-scale migrations like .NET to Linux or Java 8 to Java 17 in minutes. Developers can chat directly with Amazon Q inside Slack, Microsoft Teams, GitHub, and GitLab, where it provides architectural recommendations and incident resolution guidance. The tool also supports CLI autocompletions and AWS resource management to streamline workflows from the terminal to the cloud. Offering enterprise-grade access controls and IAM integration, it ensures that organizational data and permissions remain protected. Available on the AWS Free Tier, Amazon Q Developer enables up to 50 monthly AI interactions and 1,000 lines of code transformation at no cost, helping teams start building smarter right away.

Patched is a managed service that utilizes the open-source Patchwork framework to streamline various development tasks, including code reviews, bug fixes, security updates, and documentation efforts. By harnessing the capabilities of large language models, Patched empowers developers to create and implement AI-driven workflows, known as "patch flows," which automatically manage activities following code completion, ultimately improving code quality and speeding up development timelines. The platform features an intuitive graphical interface along with a visual workflow builder, which facilitates the personalization of patch flows without the burden of overseeing infrastructure or LLM endpoints. For users interested in self-hosting options, Patchwork offers a command-line interface agent that integrates effortlessly into existing development workflows. Furthermore, Patched prioritizes privacy and control, allowing organizations to deploy the service within their own infrastructure while using their specific LLM API keys. This combination of features ensures that developers can optimize their processes while maintaining a high level of security and customization.

Korbit is an advanced code review platform that leverages artificial intelligence to boost developer efficiency by delivering immediate, practical feedback directly within pull requests. It works flawlessly with platforms like GitHub, GitLab, and Bitbucket, ensuring rapid PR reviews that pinpoint problems and recommend solutions, mimicking the speed of a human reviewer. Additionally, Korbit crafts detailed PR descriptions that elucidate the rationale and intent behind changes, while summarizing its reviews to assist teams in prioritizing significant concerns. A management dashboard is included, presenting vital insights regarding code quality, the status of projects, and the performance of developers, which facilitates effective team oversight. Korbit’s dynamic review process takes advantage of deep project context, personalized feedback, and tailored settings to identify critical issues and offer guidance on how to address them. It further enhances communication by responding to inquiries and comments within the PR, even providing alternative code suggestions to help developers navigate challenges. By integrating these features, Korbit ultimately fosters a more efficient and collaborative development environment.

Matter AI serves as an AI-driven code review tool that optimizes pull request workflows by producing comprehensive, context-sensitive summaries in mere seconds, thereby removing the necessity for manual documentation. It improves code integrity by detecting bugs, security vulnerabilities, and performance concerns prior to deployment. Matter AI seamlessly integrates with various internal platforms such as Notion, JIRA, Confluence, and Linear, delivering dependable summaries and code evaluations. The AI-generated explanations assist reviewers in grasping intricate code swiftly, facilitating smoother approvals and minimizing review durations. With a robust focus on security, Matter AI boasts SOC 2 Type II certification and guarantees data confidentiality by processing code within isolated environments without retaining any proprietary information. This innovative tool is particularly suited for development teams seeking to expedite their code review processes while upholding superior standards of code quality and security. Additionally, Matter AI fosters collaboration among team members, allowing for a more efficient and cohesive development environment.

Entelligence AI serves as a powerful engineering intelligence platform that leverages artificial intelligence to optimize development processes, foster teamwork, and elevate productivity throughout the software development lifecycle. By utilizing intelligent agents, it automates the tasks of code reviews and pull request (PR) assessments, significantly reducing review durations, identifying bugs at early stages, and enhancing overall engineering efficiency. The platform’s Deep Review functionality analyzes complex issues across multiple files through comprehensive context analysis of the entire codebase, delivering insightful PR summaries, smart comments, and prompt fixes. In addition, Entelligence AI provides valuable performance metrics that monitor team dynamics, sprint advancements, and code quality, offering real-time insights into individual engineer output, review thoroughness, and sprint evaluations. Furthermore, its innovative self-updating documentation capability translates code into easily understandable documentation, automatically refreshing the content with every new commit, ensuring that developers have access to the most current information. This comprehensive set of features positions Entelligence AI as an indispensable tool for modern software development teams aiming for efficiency and clarity.

Sourcery serves as an AI-driven automated code review tool and coding assistant that aims to enhance the quality of code, identify bugs and security vulnerabilities early on, and ensure uniform standards across various projects for developers and engineering teams. It seamlessly integrates with widely-used development platforms like GitHub, GitLab, and integrated development environments (IDEs) such as VS Code and JetBrains, offering immediate, actionable insights on pull requests and in-code edits instead of relying primarily on conventional peer review processes. By leveraging a blend of large language model capabilities and static analysis, Sourcery evaluates code diffs to provide concise summaries, detailed line-by-line recommendations, overarching feedback, and visual representations that clarify suggested modifications, striving to achieve a review standard akin to that of a fellow developer. Within the IDE, it acts as an instant pair programming assistant that highlights possible enhancements, facilitates one-click application of recommendations, and includes an AI chat feature for further support, making it a versatile tool for developers looking to refine their coding practices. Additionally, Sourcery's real-time feedback mechanism fosters a collaborative coding environment, enabling teams to work more efficiently and effectively together.

Kodus is a collaborative, open-source platform that harnesses AI technology for code review, featuring an intelligent agent named Kody that seamlessly integrates with popular Git workflows like GitHub, GitLab, Bitbucket, and Azure DevOps, aimed at assisting engineering teams in automating and enhancing the quality of their code assessments. By performing thorough analyses on each pull request with a deep understanding of the team’s specific codebase, architecture, workflows, coding standards, and business rules, Kody provides targeted feedback focused on quality, security, performance, and style, rather than offering vague recommendations. Teams have the option to create custom review criteria using natural language or select from a collection of pre-validated rules designed to promote best practices and maintain consistent standards; they can also utilize their own API keys to choose and implement any AI model they prefer. Additionally, Kodus transforms unaddressed suggestions into monitored issues, aids in tracking technical debt, and delivers actionable insights in a manner that minimizes distractions, while supporting more than 30 programming languages to ensure broad applicability across different projects. This comprehensive approach not only streamlines the review process but also fosters a culture of continuous improvement within development teams.

Codacy is an automated code review tool. It helps identify problems through static code analysis. This allows engineering teams to save time and tackle technical debt. Codacy seamlessly integrates with your existing workflows on Git provider as well as with Slack and JIRA or using Webhooks. Each commit and pull-request includes notifications about security issues, code coverage, duplicate code, and code complexity. Advanced code metrics provide insight into the health of a project as well as team performance and other metrics. The Codacy CLI allows you to run Codacy code analysis locally. This allows teams to see Codacy results without needing to check their Git provider, or the Codacy app. Codacy supports more than 30 programming languages and is available in free open source and enterprise versions (cloud or self-hosted). For more see https://www.codacy.com/

Streamline your development process by automating the generation of pull request summaries. When you open a pull request, you'll receive a concise overview of the changes in mere seconds. This feature allows for quick comprehension of the impact of minor pull requests while also providing a significant advantage when dealing with larger ones. The process of code review often consumes a lot of time due to the necessary dialogue between the reviewer and the author, frequently over trivial changes that could be automated instead. By commenting on specific lines of code with the command /wtd and outlining your desired modifications, What The Diff will propose those adjustments directly within the pull request, enabling you to accept them effortlessly with a single click. Additionally, What The Diff evaluates the modifications in your pull requests and presents a summary in straightforward language, eliminating the need for manual summaries. With extensive training on a vast array of code data, it supports nearly all programming languages. You can easily install the GitHub app for free and test it out on any of your repositories, making it a valuable tool for enhancing team collaboration. Embrace this technology to significantly reduce the workload associated with code reviews.

Harness the capabilities of AI to enhance your coding experience with CodeMind, which provides valuable suggestions designed to take your programming to the next level. Utilize various features available in your version control system to facilitate code reviews, identify bugs, and gain insights on code enhancements. You can also receive summaries of merge requests, making it easier for reviewers to evaluate your work effectively. If you encounter particularly intricate code during your review, don't hesitate to seek clarification. This includes explanations for application code, infrastructure code, and complicated regex patterns. Navigating the intricacies of code reviews can often be daunting; manually checking every line is labor-intensive, susceptible to errors, and risks missing out on optimization possibilities. That's where we come in to revolutionize your approach. Our solution streamlines the review process, allowing you to dedicate more time to what you do best: crafting exceptional code. With our AI-powered tool, you will benefit from thorough code evaluations that highlight potential problems often overlooked in traditional reviews, ultimately leading to a more efficient development cycle. Embrace the future of coding and let our technology enhance both your productivity and the quality of your work.

Summarize the changes in pull requests effectively to enable the team to grasp their significance swiftly. Automatically detect and resolve code quality concerns and anti-patterns across more than 30 programming languages. Examine each code modification for vulnerabilities identified by OWASP, CWE, SANS, and NIST, and apply necessary fixes. Assess every pull request against a comprehensive set of over 10,000 policies to uncover infrastructure as code problems and evaluate their implications. Safeguard sensitive information within your codebase, including API keys, tokens, and other confidential data. Highlight potential issues in code logic and data structures while providing insights into their effects. Access a Code Health Dashboard that offers immediate visibility into the overall health of your code and infrastructure. Pinpoint critical issues, comprehend their significance, and implement fixes promptly. Benefit from weekly executive summaries detailing new issues that have been discovered, resolved, or are still pending. Serving as your coding companion, this tool assists in identifying and automatically rectifying over 5,000 code quality and security vulnerabilities, all without requiring you to leave your integrated development environment. This seamless integration ensures that developers can maintain productivity while enhancing code safety and quality.