Trained on billions of lines of code, Copilot autocompletes your code intelligently. Start typing a function and it suggests the rest. Write a comment describing what you want, and it generates the code. It works inside VS Code, JetBrains, and other editors. $10/month for individuals, free for students. It's not perfect, but it genuinely speeds up coding by 30-50% for many developers.
**Key takeaway:** Copilot autocompletes code and boosts productivity 30-50%.