Best 3 to use in 2026

GitHub Copilot is an AI coding assistant built by GitHub that helps you write, understand, and fix code faster. You can type code or ask questions in plain language, and it gives you suggestions right inside your editor. It also has a chat feature where you can ask about your code, get help fixing bugs, or generate tests. Copilot can work on its own too, planning and making changes across many files, running tests, and even opening pull requests for you. It works in popular tools like VS Code, JetBrains IDEs, the terminal, and GitHub.com. There is a free plan, along with paid plans that unlock more models and features for individuals and teams.

Kiro is a coding tool built by AWS that helps developers write software with the help of AI agents. Instead of turning a prompt straight into code, Kiro first turns your idea into clear written plans, called specs. These specs include requirements, a design plan, and a list of tasks that need to be done. AI agents then use these plans to write the code, run tests, and check that the result actually matches what you asked for. Kiro is built on Amazon Bedrock and follows AWS security and privacy standards. It works as a desktop app, a command line tool, a web app, and a mobile app, and it is used by solo developers, teams, and large companies.

Augment Code is a platform built for engineering teams that work with large and complex codebases. At its center is the Context Engine, which builds a live map of your code, its history, and how everything connects, so the tool actually understands your project instead of just guessing from small snippets.