GitHub Copilot

GitHub Copilot turned AI code completion from a research demo into a daily habit for millions of developers. It suggests whole lines and functions as you type, answers questions about your codebase in chat, and can now take on multi-file edits with its agent mode.

Everyday coding

The inline completions remain Copilot's core strength. It picks up your naming conventions, mirrors the patterns already in the file, and is remarkably good at boilerplate: tests, API handlers, data mappers, and config. The tab key becomes a productivity lever — accept, adjust, move on.

Beyond autocomplete

Copilot Chat explains unfamiliar code, suggests fixes for failing tests, and drafts commit messages. The newer agent features can implement a small feature across several files from a single instruction. It's genuinely useful, though for larger architectural work dedicated tools like Claude Code or Cursor still go deeper.

Accuracy caveats

Copilot is confident even when it's wrong. It will happily generate code that compiles but mishandles an edge case, so code review discipline matters more, not less. In niche frameworks or internal DSLs, suggestion quality drops noticeably.

Pricing

A free tier covers limited monthly completions and chat. Copilot Pro at $10/month removes the limits, and Business/Enterprise plans add policy controls and IP indemnity. Students and verified open-source maintainers get Pro for free.

Who should use it

Any developer who writes code most days. Try the free tier for a month — if you notice its absence when it hits the limit, that's your answer.