Best AI Code Refactoring Tools in India

Claude Code is an AI-powered coding agent designed to work directly inside your existing development environment. It goes beyond simple autocomplete by understanding entire codebases and helping developers build, debug, refactor, and ship features faster. Developers can interact with Claude Code from the terminal, IDEs, Slack, or the web, making it easy to stay in flow without switching tools. By describing tasks in natural language, users can let Claude handle code exploration, modifications, and explanations. Claude Code can analyze project structure, dependencies, and architecture to onboard developers quickly. It integrates with common command-line tools, version control systems, and testing workflows. This makes it a powerful companion for both individual developers and teams working on complex software projects.

ChatGPT is an AI-powered assistant designed to help users get answers, generate ideas, and complete tasks more efficiently. It supports a wide range of activities, including writing, brainstorming, coding, and research. Users can interact with ChatGPT through text or voice, making it flexible for different use cases. The platform can summarize information, analyze data, and provide insights to improve productivity. It also assists with creative tasks such as content creation, planning, and problem-solving. ChatGPT includes workspace agents that can automate workflows, handle repetitive tasks, and operate across tools. These agents can run tasks independently, such as generating reports or managing processes on a schedule. Overall, ChatGPT serves as a versatile tool for both personal and professional use.

Claude is a next-generation AI assistant developed by Anthropic to help individuals and teams solve complex problems with safety, accuracy, and reliability at its core. It is designed to support a wide range of tasks, including writing, editing, coding, data analysis, and research. Claude allows users to create and iterate on documents, websites, graphics, and code directly within chat using collaborative tools like Artifacts. The platform supports file uploads, image analysis, and data visualization to enhance productivity and understanding. Claude is available across web, iOS, and Android, making it accessible wherever work happens. With built-in web search and extended reasoning capabilities, Claude helps users find information and think through challenging problems more effectively. Anthropic emphasizes security, privacy, and responsible AI development to ensure Claude can be trusted in professional and personal workflows.

Cursor is an AI coding agent and development platform for building ambitious software faster. The platform lets developers hand off tasks to agents that can build, test, demo, and prepare features for review. Cursor supports autonomous and parallel agent workflows, including cloud agents that can work on multiple tasks across repositories. It runs across the editor, terminal, Slack, and GitHub, helping teams automate coding, code review, PR workflows, and repetitive engineering work. Cursor also lets users choose from leading AI models for different tasks, including models from OpenAI, Anthropic, Gemini, SpaceXAI, and Cursor. Built for developers, engineering teams, and enterprises, Cursor helps accelerate software development while keeping humans focused on decisions and review.

Discover the AI Pair Programming extension for VSCode, Create your own AI Copilots with the Playground and Unleash new AI Apps with the API. Unlock the Power of Your Own AI Agents: Integrate Personalized Context and Knowledge Across all Coding Languages. Easily Train Your AI Copilot with Your Own Files on the Playground. Create and Share a Copilot in Just 5 Minutes, or Achieve Custom AI Copilot Solutions Seamlessly Through the API A always free extension for VS Code that boost coding abilities using chat assistant and code completion. Simply download the extension, add your own API key and start AI-coding for free. Enhanced solution that allows AI agents creation with specific context information, so you can design your own AI copilots and integrate it wherever you want! API connection to develop AI-powered apps effortlessly handling all the complexities of fine-tuning LLMs so you can focus on creating without the technical issues.

Devin is an AI-driven software development assistant designed to collaborate with engineering teams to automate and accelerate coding tasks. It helps with tasks like setting up repositories, writing code, debugging, and performing migrations, all while working autonomously or alongside human developers. Devin is capable of learning from examples, making it more efficient over time. Its use has led to significant time and cost savings in large-scale projects, as seen in its deployment at Nubank, where it delivered 8-12x faster migrations and reduced costs by over 20x. Devin is particularly useful in refactoring and automating repetitive engineering tasks.

A state-of-the-art AI that builds better software, cheaper and faster. K.Explorer is an AI powered Code Assistant trained on many millions of private corporate lines of code, for specific domains, and on billions of public and open-source lines of code for general purposes. Its code auto-completion features suggest code completions and entire function bodies as you type or as you search the engine for help. To make development faster and more agile it even supports Natural Language for programmers to get guidance while telling a text story about the code they want to write.

DeepSeek Coder is a cutting-edge software tool designed to revolutionize the landscape of data analysis and coding. By leveraging advanced machine learning algorithms and natural language processing capabilities, it empowers users to seamlessly integrate data querying, analysis, and visualization into their workflow. The intuitive interface of DeepSeek Coder enables both novice and experienced programmers to efficiently write, test, and optimize code. Its robust set of features includes real-time syntax checking, intelligent code completion, and comprehensive debugging tools, all designed to streamline the coding process. Additionally, DeepSeek Coder's ability to understand and interpret complex data sets ensures that users can derive meaningful insights and create sophisticated data-driven applications with ease.

Increase software development and delivery velocity using generative AI assistance, with enterprise security and privacy protection. Gemini Code Assist completes your code as you write, and generates whole code blocks or functions on demand. Code assistance is available in many popular IDEs, such as Visual Studio Code, JetBrains IDEs (IntelliJ, PyCharm, GoLand, WebStorm, and more), Cloud Workstations, Cloud Shell Editor, and supports 20+ programming languages, including Java, JavaScript, Python, C, C++, Go, PHP, and SQL. Through a natural language chat interface, you can quickly chat with Gemini Code Assist to get answers to your coding questions, or receive guidance on coding best practices. Chat is available in all supported IDEs. Enterprises can customize Gemini Code Assist using their organization’s private codebases and knowledge sources so that Gemini Code Assist can offer more tailored assistance. Gemini Code Assist enables large-scale changes to entire codebases.

bolt.diy is an open-source platform that enables developers to easily create, run, edit, and deploy full-stack web applications with a variety of large language models (LLMs). It supports a wide range of models, including OpenAI, Anthropic, Ollama, OpenRouter, Gemini, LMStudio, Mistral, xAI, HuggingFace, DeepSeek, and Groq. The platform offers seamless integration through the Vercel AI SDK, allowing users to customize and extend their applications with the LLMs of their choice. With its intuitive interface, bolt.diy is designed to simplify AI development workflows, making it a great tool for both experimentation and production-ready applications.

​Workik's AI code generator is a versatile tool that streamlines software development by automating code generation, debugging, testing, and migration across various programming languages and frameworks. It offers features such as instant code generation, customizable context integration (like APIs, libraries, codebases, and database schemas), cross-language code support, and seamless integration with popular EHR systems. Designed to enhance productivity, Workik integrates effortlessly with existing workflows, ensuring minimal disruption. Workik is HIPAA-compliant, safeguarding patient data with industry-leading security measures. ​Workik allows you to pre-define the context and behavior of the AI engine. You can customize the AI's responses based on your programming style, database architecture, and project-specific needs. Workik's context-setting feature allows users to add their existing codebase context and continue their development.

Cody, Sourcegraph’s AI code assistant goes beyond individual dev productivity, helping enterprises achieve consistency and quality at scale with AI. Unlike traditional coding assistants, Cody understands the entire codebase, enabling deeper contextual awareness for smarter autocompletions, refactoring, and AI-driven code suggestions. It integrates with IDEs like VS Code, Visual Studio, Eclipse, and JetBrains, providing inline editing and chat without disrupting workflows. Cody also connects with tools like Notion, Linear, and Prometheus to enhance development context. Powered by advanced LLMs like Claude Sonnet 4 and GPT-4o, it optimizes speed and performance based on enterprise needs, and is always adding the latest AI models. Developers report significant efficiency gains, with some saving up to six hours per week and doubling their coding speed.

We introduce Codestral, our first-ever code model. Codestral is an open-weight generative AI model explicitly designed for code generation tasks. It helps developers write and interact with code through a shared instruction and completion API endpoint. As it masters code and English, it can be used to design advanced AI applications for software developers. Codestral is trained on a diverse dataset of 80+ programming languages, including the most popular ones, such as Python, Java, C, C++, JavaScript, and Bash. It also performs well on more specific ones like Swift and Fortran. This broad language base ensures Codestral can assist developers in various coding environments and projects.

MarsCode: A highly intelligent, ready-to-use AI development tool. With its 'out-of-the-box cloud AI IDE' and 'powerful AI assistant', MarsCode comprehensively facilitates efficient learning and smooth operations for developers. Key Features include: 1. An out-of-the-box cloud AI IDE, liberating development from device and location constraints. 2. Extensions for local IDEs, bring the experience of AI intelligence to traditional development. 3. Boasting features for code completion and generation, bug fixing, code optimization and more, provides intelligent assistance across the full development process to developers. 4. Repository-level intelligent Q&A feature, allowing developers to focus more. 5. Supports different kinds of applications deployment, including websites, AI plugins, and APIs, etc.

CodeQwen is the code version of Qwen, the large language model series developed by the Qwen team, Alibaba Cloud. It is a transformer-based decoder-only language model pre-trained on a large amount of data of codes. Strong code generation capabilities and competitive performance across a series of benchmarks. Supporting long context understanding and generation with the context length of 64K tokens. CodeQwen supports 92 coding languages and provides excellent performance in text-to-SQL, bug fixes, etc. You can just write several lines of code with transformers to chat with CodeQwen. Essentially, we build the tokenizer and the model from pre-trained methods, and we use the generate method to perform chatting with the help of the chat template provided by the tokenizer. We apply the ChatML template for chat models following our previous practice. The model completes the code snippets according to the given prompts, without any additional formatting.

Solver is the world’s first elastic engineering API, designed to fully automate programming tasks. It allows developers to offload time-consuming, tedious coding work, empowering them to focus on creative aspects. Solver handles multi-step, end-to-end tasks autonomously, learning in real-time by reading external documentation and adapting to project needs. It integrates seamlessly with existing IDEs via a cloud-based API, eliminating the need for a new system. It offers repository-based reasoning, enabling state-of-the-art generative AI to work directly with Git repositories. Developed by the team behind Siri and Viv, Solver ensures high-quality engineering standards, pushing the boundaries of what AI can achieve in software development. It’s scalable, fine-tuning as it works, and can handle tasks like security vulnerability detection and code improvement, delivering results faster than human teams.

CodeBanana is a real-time collaborative coding platform designed to make software development accessible and team-centric. It offers live editing features akin to “Google Docs for code,” enabling multiple users, developers, designers, and PMs to work together synchronously in the same project space. The platform incorporates an AI assistant that understands your entire repository and documentation, allowing conversational interactions. Shared virtual environments mean everyone runs the same setup in seconds, eliminating the “it ’s-working-on-my-machine” problem. Non-technical teammates can contribute via a simplified interface, while technical staff benefit from project-aware suggestions and streamlined workflows. CodeBanana aims to bridge the gap between roles, keeping teams aligned on context-, code- and project-level decisions.

Reduce 1000s of hours of static code analysis fixes to minutes. Patch security vulnerabilities across 100s of repositories at once. Moderne automates code remediation tasks for you, enabling developers to deliver more business value all the time. Automatically make safe, sweeping changes to your codebase that improve the quality, security, and cost of code. Manage dependencies of your software supply chain, keeping software up to date continuously. Alleviate code smells automatically without all the scanning noise of SAST and SCA tools. Work in high-quality code all the time. Find and fix CVEs automatically across repositories, it's the ultimate shift left for security. The reality of modern applications is that they naturally accrue technical debt. They are composed of large and diverse codebases and ecosystems, and a supply chain of custom, third-party, and open-source software.

OpenAI o3 is an advanced AI model designed to enhance reasoning capabilities by breaking down complex instructions into smaller, more manageable steps. It offers significant improvements over previous AI iterations, excelling in coding tasks, competitive programming, and achieving high scores in mathematics and science benchmarks. Available for widespread use, OpenAI o3 supports advanced AI-driven problem-solving and decision-making processes. The model incorporates deliberative alignment techniques to ensure its responses align with established safety and ethical guidelines, making it a powerful tool for developers, researchers, and enterprises seeking sophisticated AI solutions.

Jedi is a static analysis tool for Python that is typically used in IDEs/editors plugins. Jedi has a focus on autocompletion and goto functionality. Other features include refactoring, code search and finding references. Jedi has a simple API to work with. There is a reference implementation as a VIM-Plugin. Autocompletion in your REPL is also possible, IPython uses it natively and for the CPython REPL you can install it. Jedi is well tested and bugs should be rare. A Script is the base for completions, goto or whatever you want to do with Jedi. The counter part of this class is Interpreter, which works with actual dictionaries and can work with a REPL. This class should be used when a user edits code in an editor. Most methods have a line and a column parameter. Lines in Jedi are always 1-based and columns are always zero based. To avoid repetition they are not always documented.

The o3-mini-high model from OpenAI advances AI reasoning by refining deep problem-solving in coding, mathematics, and complex tasks. It features adaptive thinking time with adjustable reasoning modes (low, medium, high) to optimize performance based on task complexity. Outperforming the o1 series by 200 Elo points on Codeforces, it delivers high efficiency at a lower cost while maintaining speed and accuracy. As part of the o3 family, it pushes AI problem-solving boundaries while remaining accessible, offering a free tier and expanded limits for Plus subscribers.

Build apps faster with ML-powered coding companion. Accelerate application development with automatic code recommendations based on the code and comments in your IDE. Empower developers to use artificial intelligence (AI) responsibly to create syntactically correct and secure applications. Generate entire functions and logical code blocks without having to search and customize code snippets from the web. Stay focused and never leave the IDE, with real-time customized code recommendations for all your Java, Python, and JavaScript projects. Amazon CodeWhisperer is a machine learning (ML)–powered service that helps improve developer productivity by generating code recommendations based on their comments in natural language and code in the integrated development environment (IDE). Accelerate frontend and backend development by empowering developers with automatic code recommendations. Save time and effort by using CodeWhisperer to generate code to build and train your ML models.