alt Hacker NewsThe study you quoted is sonnet 3.5/3.7 era. You could see the promise with those models but the agentic/task performance of Opus 4.5/4.6 makes a huge difference - the models are pretty amazing at building context from a mid size codebase at this point.
Google's latest research shows AI coding increases speed by 3% while also increasing bugs by 9%. (I.e., a net negative.)
AI doesn't make you code faster, it just makes the boring stretches somewhat more exciting.