GitHub Copilot is described as 'Leverages the power of OpenAI Codex to provide real-time suggestions for code and complete functions, all within your editor. With its training on vast amounts of code, GitHub Copilot translates natural language prompts into coding suggestions across multiple' and is a ai coding assistant in the development category. There are more than 100 alternatives to GitHub Copilot for a variety of platforms, including Mac, Windows, Linux, Web-based and Visual Studio Code apps. The best GitHub Copilot alternative is Void, which is both free and Open Source. Other great apps like GitHub Copilot are Google Antigravity, Gemini CLI, opencode and Claude Code.
Very fast in comparison, great for refactors, use the git diff for suggestions and have large context window so kinda knows your codebase. Also jumps to other lines/files and also suggest deletions of code. Not as "smart" as copilot