Dev Tools — an engineer in your editor

What it is

AI dev tools embed language models directly into the coding environment. They understand your codebase — not just the file you have open — and can write, refactor, test, and explain code in context. The best ones feel less like autocomplete and more like a technically competent pair programmer who reads fast and has no ego.

Why now

Models trained on code crossed a capability threshold in 2023–2024 where they could reliably generate correct, idiomatic code for non-trivial problems. The tooling caught up fast: IDE integrations, context-aware agents, and whole-file refactoring moved from research demos to daily use.