AI writes most new code
Models write the majority of new code inside large engineering organisations.
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Facts
- Lane
- Software
- Wave
- 5 of 12 (build order, not a date)
- Needs
- 9 boxes all the way back through hard links
- Unlocks
- 18 boxes downstream through hard links
- Leverage
- None: already built
- Cluster
- Agents at work
- When
- Here since 2025
Evidence as of October 2026
Google says 75% of its new code was AI-generated by April 2026, up from about 25% in 2024 and about 50% in autumn 2025.
Watch
Share of new code written by AI. Google: 75% in April 2026.
Timeline note
Google: about half of new code by autumn 2025, 75% by April 2026.
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