Mar 31, 2026 AI coding tool comparison Claude Code vs Cursor vs Copilot AI coding agent problemsEvery AI Coding Tool Has the Same Problem. None of Them Will Tell You.Claude Code, Cursor, Copilot, Codex — they all share the same fundamental flaw: no persistent memory, brute-force file reading, and context that fills up and gets thrown away. Here's what none of them admit.