Over 95% of Our Code Is Now Written by AI, Says Coinbase

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Coinbase reports AI now writes roughly 95–100% of its code, up from 40% in February 2026, with AI agents doing the coding equivalent of about 1,200 employees. The firm cut 700 jobs in May, disproportionately hitting junior developers, underscoring rapid AI-driven automation and crypto adoption while raising security, talent and protocol update risks.
- Coinbase AI code share rose from just 40% in February to near 100% by July 2026.
- AI agents at Coinbase collectively do the coding work of around 1,200 employees.
- Coinbase cut 700 jobs in May, with junior developer roles disproportionately hit.
Artificial intelligence now assists in writing between 95% and 100% of Coinbase’s code, a figure that has more than doubled from the 40% the company reported in February, according to Rob Witoff, Coinbase’s head of platform.
From 40% to Nearly 100% in Six Months
In February, Coinbase said AI was involved in writing 40% of its code. By July, that figure had climbed to somewhere between 95% and 100%, with large language models now involved in virtually every line of code the company produces.
“Effectively, 100% of our employees are using AI on a daily basis here,” Witoff said. “And close to 100% of our code, probably some…
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