Earlier quoted context omitted.
> A challenge with this kind of study is that coding agents (Claude Code, OpenAI Codex) only started working really well in 2026? 5? 4? 3? Heard this one way too many times.
I haven't. Around the start of 2026 is pretty widely mentioned as when they went from "this is broken slop" to "huh this is actually 90% what I would have written", which matches my experience.
The last 10% is always the hardest part, though