Github CoPilot

GitHub Copilot is an AI-powered coding assistant that provides real-time code suggestions, explanations, and debugging assistance to enhance developer productivity. Developed by GitHub and launched in June 2021, Copilot integrates with various IDEs, CLI, and mobile platforms to offer contextualized coding support.

Key features:
- Code completions: Provides real-time code suggestions based on the project's context and style conventions
- Chat assistance: Answers questions about codebase, explains complex code, and suggests improvements for legacy code
- Debugging and security: Offers real-time debugging assistance and blocks insecure coding patterns
- Pull request summaries: Automatically generates descriptions and summaries for pull requests
- Custom models: Allows organizations to fine-tune a private, custom model based on their repositories (coming soon)

How it works:
Users interact with GitHub Copilot primarily through their preferred IDEs, where Copilot provides real-time code suggestions and assistance. Developers can start a conversation with Copilot about their codebase, ask for explanations, or get help with debugging. The tool also supports command-line interactions and mobile usage.

Integrations:
- IDEs: Visual Studio Code, Visual Studio, JetBrains IDEs, Neovim
- CLI: Command Line Interface for terminal-based interactions
- Mobile: GitHub Mobile app for coding on the go
- Third-Party Tools: Ecosystem of extensions from various third-party tools and services

Use of AI:
GitHub Copilot uses AI to understand and generate code in multiple programming languages, providing context-aware suggestions and explanations. It offers personalized, natural language recommendations tailored to the developer's codebase and organizational knowledge base.

AI foundation model:
GitHub Copilot is built on OpenAI's Codex model, a powerful generative AI model specifically trained for coding tasks.

How to access:
GitHub Copilot is available as a web app integrated within GitHub's platform, an IDE plugin for various development environments, a mobile app for iOS and Android, and an API for custom integrations and extensions. It is suitable for individual developers, small to medium businesses, and large enterprises looking to improve engineering velocity and code quality.