GitHub Copilot vs Cursor vs Claude Code: The Developer Tools Battle Shaping How We Code

The competition between GitHub Copilot, Cursor, and Claude Code determines how millions of developers will write code. Copilot has distribution (VS Code 70%+ share). Cursor has UX. Claude Code has agent autonomy. Microsoft's Copilot Cowork integrating Claude suggests even Microsoft acknowledges Claude's quality lead. Long-term winner = lowest friction with good enough AI quality.