List of the Top 25 SaaS AI Code Refactoring Tools in 2025

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 for both solo developers and collaborative 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 3.5 Sonnet 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.

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.

Syntax Generating Apps provide an excellent solution for obtaining coding responses to your inquiries. Their user-friendly design makes it surprisingly straightforward to discover solutions to your programming questions in your preferred language. AskCodi features tools for both frontend and backend development, along with resources for documentation, test creation, and numerous other areas where users can pose questions and receive answers. This platform boasts support for over 50 languages and frameworks. Additionally, it maintains a codebase that archives all generated code, allowing users to revisit it whenever needed. By utilizing AskCodi, you can significantly boost your productivity while enhancing your maintenance and debugging processes. Furthermore, AskCodi is accessible in various natural languages beyond just English, including German, Spanish, and Polish, making it a versatile choice for a global audience.

Qodo, which was previously known as Codium, offers an analysis of your code to detect potential bugs prior to deployment. By mapping out the behaviors inherent in your code, it effectively pinpoints edge cases and highlights any areas of concern. Subsequently, Qodo produces clear and meaningful unit tests that align with your code's functionality. This allows you to observe how your code operates and assess the impact of modifications on the surrounding codebase. With a keen focus on code coverage, it emphasizes the importance of high-quality tests that validate functionality, thereby instilling confidence in your commitment to the code. Instead of spending excessive time on dubious testing, you can redirect your efforts toward developing features that genuinely benefit your users. As you write, Qodo analyzes your code, documentation, and comments to propose tests that can be easily integrated into your suite. Committed to maintaining code integrity, Qodo not only generates tests but also aids in deepening your understanding of the code, exposing edge cases, and identifying any suspicious behaviors, ultimately enhancing the robustness of your software. By using Qodo, you can ensure a more efficient development process, allowing you to prioritize quality alongside productivity.

ChatGPT, developed by OpenAI, is a sophisticated language model that generates coherent and contextually appropriate replies by drawing from a wide selection of internet text. Its extensive training equips it to tackle a multitude of tasks in natural language processing, such as engaging in dialogues, responding to inquiries, and producing text in diverse formats. Leveraging deep learning algorithms, ChatGPT employs a transformer architecture that has demonstrated remarkable efficiency in numerous NLP tasks. Additionally, the model can be customized for specific applications, such as language translation, text categorization, and answering questions, allowing developers to create advanced NLP systems with greater accuracy. Besides its text generation capabilities, ChatGPT is also capable of interpreting and writing code, highlighting its adaptability in managing various content types. This broad range of functionalities not only enhances its utility but also paves the way for innovative integrations into an array of technological solutions. The ongoing advancements in AI technology are likely to further elevate the capabilities of models like ChatGPT, making them even more integral to our everyday interactions with machines.

Tabnine serves as an AI-driven coding assistant that empowers development teams of all sizes to leverage artificial intelligence, thereby enhancing and streamlining the software development lifecycle while ensuring privacy, security, and compliance are maintained. By automating various coding tasks, Tabnine elevates engineering productivity, improves code quality, and increases developer satisfaction, offering tailored AI solutions that cater to each team's unique needs. With over a million developers relying on it, Tabnine has gained trust across countless organizations. Providing top-tier AI code completion and a chat feature, Tabnine accommodates a wide array of applications, including code generation, code explanation, unit test creation, documentation generation, code debugging, refactoring, and overall code maintenance. It seamlessly integrates with all major integrated development environments (IDEs) like VS Code, JetBrains, Visual Studio, and Eclipse, while also supporting more than 80 programming languages and frameworks, such as JavaScript, TypeScript, Python, Java, C, C++, C#, Go, PHP, Ruby, Kotlin, Dart, Rust, and many others. This extensive compatibility enables developers to enhance their coding practices across diverse projects, making Tabnine a vital tool in the modern development landscape.

Discover the AI Pair Programming extension for VSCode, which allows you to create your own AI Copilots using the Playground and launch groundbreaking AI applications through the API. Maximize the capabilities of custom AI agents by incorporating specialized context and knowledge relevant to diverse programming languages. Effortlessly train your AI Copilot with personal files in the Playground, enabling you to develop and share a Copilot in just five minutes, or create unique AI solutions through the API with ease. This free extension for VS Code significantly enhances your programming experience with features like a chat assistant and code completion; all you need to do is download it, enter your API key, and begin coding with AI at no expense. This enhanced solution empowers developers to build AI agents that are rich in specific contextual details, allowing for the design of tailored AI copilots that can be utilized across various platforms. The API integration streamlines the development process of AI-powered applications by handling the complexities involved in fine-tuning large language models, letting you focus on your creative ideas rather than getting bogged down by technical hurdles. With access to these innovative tools, you can transform your programming workflow and expand the frontiers of what can be achieved in software development, ultimately leading to more efficient and effective coding practices.

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.

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.

K.Explorer is an innovative AI tool designed to enhance software development by making the process quicker, more cost-effective, and more efficient. Acting as a coding companion, it boosts developer productivity significantly. This intelligent pair programmer provides real-time suggestions for code completions and even generates entire function bodies while you work. Additionally, users can utilize the search engine feature for additional support. Furthermore, this AI-driven Code Assistant has been developed using millions of lines of proprietary code alongside billions of lines of open-source code to ensure versatility. The integration of Natural Language processing enables programmers to receive tailored guidance and narrate the context of their coding journey. By combining these features, K.Explorer transforms the way developers approach coding tasks.

Meet CodeGeeX, an impressive multilingual code generation model equipped with 13 billion parameters that has been pre-trained on a vast array of code from more than 20 programming languages. Utilizing CodeGeeX's capabilities, we have developed a VS Code extension (search for 'CodeGeeX' in the Extension Marketplace) to aid programmers across diverse languages. Beyond its ability to generate and translate code in multiple languages, CodeGeeX also functions as a tailored programming assistant thanks to its few-shot learning feature. By simply providing a few examples as prompts, CodeGeeX can replicate the demonstrated patterns to create code that is consistent with those examples. This opens the door to a range of exciting functionalities, including code explanation, summarization, and generation that cater to individual coding styles. Users, for example, can input snippets that reflect their personal coding preferences, and CodeGeeX will produce analogous code. Additionally, by trying out various prompt structures, users can encourage CodeGeeX to acquire new programming techniques and boost its adaptability. Consequently, CodeGeeX emerges as an essential tool for developers seeking to optimize their coding workflows and enhance their productivity in software development. Its innovative features truly make it a game-changer in the realm of coding assistance.

Claude exemplifies an advanced AI language model designed to comprehend and generate text that closely mirrors human communication. Anthropic is an institution focused on the safety and research of artificial intelligence, striving to create AI systems that are reliable, understandable, and controllable. Although modern large-scale AI systems bring significant benefits, they also introduce challenges like unpredictability and opacity; therefore, our aim is to address these issues head-on. At present, our main focus is on progressing research to effectively confront these challenges; however, we foresee a wealth of opportunities in the future where our initiatives could provide both commercial success and societal improvements. As we forge ahead, we remain dedicated to enhancing the safety, functionality, and overall user experience of AI technologies, ensuring they serve humanity's best interests.

BLACKBOX AI code search is designed for developers to efficiently locate optimal code snippets across a wide array of over 20 programming languages, such as Python, JavaScript, TypeScript, Ruby, Go, and more. This tool is integrated with popular IDEs like VS Code and GitHub Codespaces, as well as platforms including Jupyter Notebook and Paperspace. With support for languages such as C#, Java, C++, SQL, PHP, and TypeScript, users can effortlessly search for code fragments within their coding environment without needing to switch applications. BLACKBOX enables users to select code from any video and seamlessly transfer it to their text editor while maintaining proper indentation. The Pro plan further extends the functionality, allowing access to copy text from over 200 programming languages, making it an invaluable resource for developers striving to build exceptional products and streamline their workflows. Additionally, this versatility ensures that developers are equipped with a comprehensive toolset for their diverse coding needs.

DeepSeek Coder represents a groundbreaking advancement in the field of data analysis and programming. Utilizing cutting-edge machine learning and natural language processing, it empowers users to seamlessly integrate data querying, analysis, and visualization into their everyday workflows. With an intuitive interface designed for both novices and experienced developers, it simplifies the processes of writing, testing, and optimizing code. Notable features include real-time syntax checking, intelligent code suggestions, and comprehensive debugging tools, all of which significantly boost coding efficiency. Additionally, DeepSeek Coder excels at interpreting complex data sets, allowing users to derive meaningful insights and create sophisticated data-driven applications with ease. Its robust capabilities and user-friendly design make DeepSeek Coder an indispensable tool for anyone involved in projects that rely on data. As such, it stands out as a key resource in the ever-evolving landscape of technology and analytics.

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.

Grok-3, developed by xAI, marks a significant breakthrough in the realm of artificial intelligence, aiming to set new benchmarks for AI capabilities. This innovative model is designed as a multimodal AI, allowing it to process and interpret data from various sources, including text, images, and audio, which enhances the interaction experience for users. Built on an unparalleled scale, Grok-3 utilizes ten times the computational power of its predecessor, employing the capabilities of 100,000 Nvidia H100 GPUs within the Colossus supercomputer framework. Such extraordinary computational resources are anticipated to greatly enhance Grok-3's performance in multiple areas, such as reasoning, coding, and the real-time analysis of current events by directly accessing X posts. As a result of these advancements, Grok-3 is set not only to outpace its previous versions but also to compete with other leading AI systems in the generative AI field, which could fundamentally alter user expectations and capabilities within this sector. The far-reaching effects of Grok-3's capabilities may transform the integration of AI into daily applications, potentially leading to the development of more advanced and sophisticated technological solutions in various industries. Additionally, its ability to seamlessly blend information from diverse formats could foster more intuitive and engaging user interactions.

GPT-4.5 marks a substantial leap forward in artificial intelligence, building upon its predecessors by enhancing its unsupervised learning methods, honing its reasoning capabilities, and improving its collaborative functionalities. Designed to better interpret human intentions, this model enables more fluid and instinctive interactions, leading to increased precision and fewer instances of misinformation across a wide range of topics. Its advanced capabilities not only foster the generation of creative and intellectually stimulating content but also aid in tackling complex problems while offering assistance in various domains such as writing, design, and even aerospace endeavors. In addition, the model's improved human engagement opens doors for practical applications, making it more user-friendly and reliable for both businesses and developers. As it continues to innovate, GPT-4.5 establishes a new benchmark for the role of AI in numerous sectors and applications, demonstrating its potential to transform how we approach technology in everyday life. The ongoing developments in this field suggest a promising future where AI can seamlessly integrate into our daily routines and professional tasks.

Claude 3.7 Sonnet, developed by Anthropic, exemplifies a cutting-edge AI model that combines rapid responses with deep analytical thinking. This innovative model allows users to toggle between quick, efficient answers and more reflective, in-depth responses, making it particularly well-equipped to handle complex issues. By allowing Claude to ponder before replying, it showcases an impressive ability to tackle tasks requiring sophisticated reasoning and a rich understanding of context. Its potential for enhanced cognitive engagement significantly improves various endeavors, such as programming, natural language understanding, and tasks that necessitate critical analysis. Available on various platforms, Claude 3.7 Sonnet acts as a powerful asset for professionals and companies seeking a flexible and high-performing AI solution. The adaptability of this AI model ensures it can be utilized in many disciplines, thus becoming an essential tool for individuals aiming to boost their problem-solving skills. Additionally, its user-friendly interface and accessibility further contribute to its appeal as a go-to resource in the ever-evolving landscape of artificial intelligence.

Devin serves as a cutting-edge AI software development assistant designed to collaborate with engineering teams, aiming to streamline and improve the coding workflow. It plays a vital role in a variety of tasks, including repository creation, coding, debugging, and migrations, and can operate autonomously or alongside human developers. Over time, Devin enhances its performance by learning from the examples it encounters. The adoption of Devin has led to significant savings in both time and costs on large-scale projects, as demonstrated by its deployment at Nubank, where it accelerated migration processes by 8 to 12 times and reduced expenses by over 20 times. Furthermore, Devin is proficient in code refactoring and automating mundane engineering tasks, making it an essential resource for developers seeking to enhance their productivity. Its capacity for continuous learning and adaptation guarantees that it remains a crucial component in the rapidly changing world of software development, driving innovation and efficiency. As the industry evolves, tools like Devin will likely set new standards for collaboration and performance in the tech sector.

Accelerate your app development process with a cutting-edge coding assistant powered by machine learning. This remarkable tool enhances the application building experience by delivering automated code suggestions that align with the existing code and comments in your integrated development environment (IDE). Developers can responsibly utilize artificial intelligence (AI) to produce applications that are not only syntactically accurate but also secure. Instead of searching for and tweaking code snippets from various sources, you can easily generate complete functions and logical blocks with just a few clicks. Stay immersed in your work without stepping outside the IDE, as you receive custom code suggestions in real-time for all your projects across languages like Java, Python, and JavaScript. Amazon CodeWhisperer is a machine learning-augmented service crafted to boost developer productivity through code recommendations informed by natural language comments and pre-existing code within the IDE. This innovative tool facilitates both frontend and backend development, saving valuable time by helping to generate code necessary for building and training your machine learning models, thereby simplifying the overall development workflow. With such advanced functionalities at their disposal, developers can push the boundaries of innovation more rapidly than ever before, transforming the way they approach coding challenges.

Anthropic has introduced Claude Code, an AI-driven coding assistant, as part of the Claude 3.7 Sonnet release. This groundbreaking tool allows developers to optimize complex engineering workflows directly from their terminal, functioning as a supportive ally throughout the coding process. With the ability to scrutinize and navigate code, update files, run tests, and commit changes to GitHub, Claude Code also adeptly manages command-line operations. Early assessments highlight its exceptional effectiveness, completing extensive code refactoring and debugging tasks in a fraction of the time required by conventional approaches. While still in the research preview phase, Claude Code is already seen as an essential resource for shortening development cycles and enhancing test-driven development practices. Its sophisticated capabilities indicate a bright future for significantly boosting productivity in software engineering, potentially transforming how developers approach their projects.

SuperAGI SuperCoder is a groundbreaking open-source platform that seamlessly integrates an AI-powered development environment with autonomous AI agents, enabling the complete automation of software development, starting with Python and its associated frameworks. The newest version, SuperCoder 2.0, leverages advanced large language models and a Large Action Model (LAM) specifically optimized for generating Python code, demonstrating exceptional precision in one-shot or few-shot coding tasks, and exceeding standards set by benchmarks such as SWE-bench and Codebench. As an independent system, SuperCoder 2.0 features customized software guardrails tailored to various development frameworks, with an initial emphasis on Flask and Django, while also employing SuperAGI’s Generally Intelligent Developer Agents to build complex, real-world software applications. Additionally, SuperCoder 2.0 integrates extensively with widely-used tools in the developer community, such as Jira, GitHub or GitLab, Jenkins, and cloud-based quality assurance platforms like BrowserStack and Selenium, thus guaranteeing a smooth and efficient software development workflow. This innovative approach not only enhances the coding process but also empowers developers to focus on higher-level design and problem-solving, ultimately transforming the automated software development landscape.

Enhance your coding journey with AI by generating top-notch code effortlessly and rapidly. With the help of AI Autocomplete, you can quickly create prototypes and elevate your code to meet production quality standards without hassle. Our cutting-edge neural networks minimize time spent on repetitive tasks and searching for answers on sites like Stack Overflow. You have the ability to easily refactor, document, and add types to your codebase, while also issuing direct commands to the AI for any changes you need. If crafting tests isn’t your favorite aspect of development, you can relax; we offer the automatic creation of unit tests using AI and metaprogramming methods. We foresee a future where AI significantly revolutionizes software development. Our primary objective is to enable developers to operate at the speed of thought, thereby nurturing both innovation and productivity. Furthermore, we believe that emerging advancements in AI will introduce new programming approaches that move away from traditional IDEs and version control systems, fundamentally altering the way we engage with coding. This transformation will not only streamline workflows but also unlock new potentials in software creation that we have yet to fully explore.

Safurai is an AI-driven IDE extension designed to assist developers by enhancing the speed of coding, debugging, documentation, and various other tasks. It functions as a virtual assistant, offering solutions and suggestions for any challenges encountered throughout the software development process. By using Safurai, developers can elevate their workflow and enhance the quality of their code, ultimately leading to a more efficient development experience. Comprising a collection of non-proprietary Large Language Models specifically optimized for programming tasks, Safurai ensures robust performance in all its functions. The models are exclusively trained on synthetic data, and we prioritize not retaining or reusing user codebase data for enhancements. At Safurai, our commitment to "Transparency" goes beyond mere terminology; it reflects our genuine dedication to clear and open practices. This approach fosters trust and reliability among users, making Safurai a valuable asset in the world of software development.

Easily convert your questions into code while having the ability to save and access your snippets without hassle. Work collaboratively with your colleagues by harnessing the capabilities of ChatGPT alongside our enhanced GPT-3 model. Deepen your understanding of programming concepts to broaden your skills. Elevate your coding quality utilizing our sophisticated refactoring and debugging features. Share your code snippets with your team securely, ensuring their original formatting is intact. The integration of ChatGPT with our optimized GPT-3 model provides faster and more accurate responses to your inquiries than conventional Codex tools. Create documentation, refactor, debug, and write code at the click of a button. With our dedicated VSCode extension, saving code from your integrated development environment to your personal library becomes a breeze. You can categorize your snippets by language, title, or folder while tailoring your folder organization to suit your needs. Our platform combines the strengths of ChatGPT and our specialized GPT-3 model, delivering unparalleled speed and precision in addressing your coding questions. Furthermore, the intuitive design of our interface enhances your coding experience, promoting a more efficient workflow, which ultimately empowers you to tackle complex projects with confidence.