What is GitHub Copilot?

Powered by advanced OpenAI models, GitHub Copilot is the world’s most widely adopted AI pair programmer. It sits inside editors like VS Code, Visual Studio, JetBrains IDEs, and Neovim, reading the context of your open files and suggesting entire lines or blocks of code as you type.

🛠️ Key Features

Inline Autocomplete: Suggests code snippets and whole functions in real-time based on natural language comments or existing code patterns — press Tab to accept.
Copilot Chat: A conversational interface within the IDE where developers can ask questions about the codebase, request refactors, explain code, or generate tests.
Copilot Workspace: An agentic feature that takes a GitHub issue and plans, implements, and opens a pull request autonomously.
Multi-File Context: Understands the broader context of your project, not just the current file, for more accurate suggestions.
CLI Support: gh copilot brings AI assistance to the terminal for shell commands and explanations.
Enterprise Security: Offers enterprise-grade privacy, ensuring proprietary company code is not used to train public models.

💡 Why Teams Choose Copilot

Copilot’s biggest advantage is ubiquity — it works in virtually every major IDE and integrates directly with GitHub’s pull request and issue workflows. For teams already on GitHub, it is the path of least resistance to AI-assisted development.

🚀 Use Cases

Boilerplate Elimination: Generate repetitive code patterns, CRUD operations, and test scaffolding instantly.
Code Explanation: Highlight any function and ask Copilot Chat to explain it in plain English for onboarding or code review.
Test Generation: Ask Copilot to write unit tests for any function, covering edge cases automatically.
PR Summaries: Copilot can auto-generate pull request descriptions from the diff.

💰 Pricing

GitHub Copilot offers a free tier for verified students, teachers, and open-source maintainers. Copilot Individual is $10/month or $100/year. Copilot Business is $19/user/month with organization-wide policy management and audit logs. Copilot Enterprise is $39/user/month and adds Copilot Workspace, fine-tuning on your codebase, and Bing-powered web search in chat.

🔄 Best Alternatives to GitHub Copilot

Tool	Best For
Cursor	Deeper codebase reasoning, multi-file edits, model choice
Antigravity	Fully agentic coding for complex engineering tasks
Tabnine	Privacy-first autocomplete, runs fully on-premise
Replit	Cloud-based coding with AI, no local setup needed
Devin	Fully autonomous software engineering agent