I Spent 6 Months Testing AI Code Assistants: GitHub Copilot vs Cursor vs Tabnine Performance Breakdown
After tracking 180 production coding tasks across 6 months, I measured which AI assistants actually justify their monthly fees. GitHub Copilot excels at boilerplate, Cursor wins at refactoring, and Tabnine delivers the lowest false-positive rate - but only one earned a permanent spot in my workflow.
