GitHub Copilot is available as an extension in Visual Studio Code, Visual Studio, Neovim and the JetBrains suite of IDEs. Languages with less representation in public repositories may produce fewer or less robust suggestions. For example, JavaScript is well-represented in public repositories and is one of GitHub Copilot's best supported languages. For each language, the quality of suggestions you receive may depend on the volume and diversity of training data for that language. GitHub Copilot is trained on all languages that appear in public repositories.

GitHub Copilot is powered by OpenAI Codex, a new AI system created by OpenAI. GitHub Copilot analyzes the context in the file you are editing, as well as related files, and offers suggestions from within your text editor. You can receive suggestions from GitHub Copilot either by starting to write the code you want to use, or by writing a natural language comment describing what you want the code to do.

GitHub Copilot is an AI pair programmer that offers autocomplete-style suggestions as you code.

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