GitHub Copilot is an AI-powered coding assistant developed by GitHub in collaboration with OpenAI. It integrates directly into popular code editors including Visual Studio Code, Visual Studio, Neovim, and JetBrains IDEs to provide real-time code suggestions, completions, and generation as developers type. Powered by large language models trained on billions of lines of public code, Copilot understands context from comments, function names, and surrounding code to suggest entire lines, functions, or blocks of code across dozens of programming languages including Python, JavaScript, TypeScript, Ruby, Go, C#, and C++. Beyond inline completions, GitHub Copilot offers a chat interface that allows developers to ask questions about their codebase, generate unit tests, explain code, fix bugs, and refactor existing code. Copilot also powers features like pull request summaries, code review suggestions, and CLI command generation through GitHub Copilot in the CLI. The tool supports workspace-level context awareness, meaning it can reference multiple files in a project to provide more relevant suggestions. GitHub Copilot is available in several tiers: a free plan with limited completions and chat messages, Copilot Pro for individual developers at $10 per month, Copilot Business for organizations at $19 per user per month, and Copilot Enterprise at $39 per user per month with additional features like knowledge bases and fine-tuning on private repositories. It is widely regarded as one of the most adopted AI coding tools globally, used by millions of developers.
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