Harvard's field data on coding agents: +30% code, +49% review time, flat output

A 78-page job market paper landed last week that puts field numbers on the argument everyone has been having from vibes. Fiona Chen and James Stratton at Harvard wrote it using a proprietary dataset from the engineering analytics platform Jellyfish, and the abstract states the finding flatly: both AI assistants and AI agents raise coding... Weiterlesen: Harvard's field data on coding agents: +30% code, +49% review time, f…