GitHub Copilot is the most widely adopted AI coding assistant, integrated directly into VS Code, JetBrains, Neovim, and other editors. It suggests code completions, writes functions from comments, and now includes a chat mode for explaining code, debugging, and refactoring. Powered by OpenAI Codex and GPT-4. Starts at $10/month; free for verified students and open-source maintainers.
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