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Google Engineer Says Claude Code Matched Yearlong Project in an Hour

The episode underscores rapid gains in AI coding speed, with Google limiting external models to open-source projects.

Overview

  • Jaana Dogan, a principal engineer working on Google's Gemini API, said Claude Code produced a distributed agent orchestrator resembling her team’s yearlong effort after she provided a short problem description.
  • She ran a simplified, non‑internal prompt of about three paragraphs and received a working design in roughly an hour that she said was comparable but not production‑grade.
  • Dogan noted that the underlying ideas are established but said coding agents now turn them into usable prototypes far faster, encouraging experts to test such tools in domains they know well.
  • She said Google permits Claude Code for open‑source work only and added that the company is focused on improving its own models and harness.
  • Claude Code’s creator, Boris Cherny, advised adding self‑verification, starting in plan mode, using background reviewers and parallel agents, and typically running Opus 4.5 to boost reliability and speed.