Coding agents can get real code intelligence from a language server instead of searching your code as text. My study on a large C# codebase showed 16 to 22% fewer tokens and 30 to 40% less run time.

Modern LLMs write impressive code. But can they replace software developers? Where AI excels, where it fails, and what stays human.

How much does AI actually boost developer productivity? A look at the METR study, the 2025 StackOverflow Survey, my own experience, and the vibe coding trend.