Google says 75 percent of its new code is now written by AI

THE DECODER / 4/23/2026

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Key Points

  • Google says that 75% of its newly written code is generated by AI systems, with human developers performing review before integration.
  • The approach positions AI-assisted software development as a significant part of Google’s engineering workflow rather than a limited pilot.
  • Human review remains a gating step, indicating Google is aiming to combine automation with quality control and accountability.
  • The claim suggests broader implications for developer productivity and staffing models as AI-generated code becomes more prevalent.

75 percent of new code at Google is now generated by AI and then reviewed by human developers, the company says.

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