# AI code reviewed by human engineers makes up three-quarters of the code created inside Google.

*genai · news · 2026-04-24 · MobileSyrup*

## Key points

- AI-generated code now constitutes about 75% of Google's internal codebase, up from 25% in October 2024.
- Google engineers now use Gemini models targeting specific AI goals linked directly to performance reviews.
- Some Google DeepMind employees have begun using Anthropic's Claude AI, causing internal friction.
- A recent code migration at Google using AI assistance was completed six times faster than the previous year.

**Companies:** Google, Microsoft, Meta
**Countries:** United States

[Read the full story on MobileSyrup](https://mobilesyrup.com/2026/04/24/ai-is-generating-most-of-googles-code/)

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