Best AI Code Review Tools in 2026: CodeRabbit, Qodo, Greptile, and Copilot Compared
AI code review crossed from gimmick to default in 2026. Here is what CodeRabbit, Qodo, Greptile, and GitHub Copilot really cost per developer, how diff-only review differs from whole-repo indexing, and which one matches your codebase. Real pricing, real picks.








