https://www.theregister.com/2025/04/30/microsoft_meta_autocoding/
Microsoft CEO Satya Nadella has claimed thirty percent of code in the Windows titan’s repositories was written by an AI. Nadella revealed that number during an interview with Meta boss Mark Zuckerberg at the latter mega-corp’s LlamaCon AI event this week. A few minutes into their chat Zuck asked Nadella, “Do you have a sense of how much of the code, like what percent of the code that’s being written inside Microsoft at this point is written by AI as opposed to by the engineers?” Nadella responded by saying Microsoft tracks accept rates, which he said are “sort of whatever 30-40 percent it’s going up monotonically.” The Microsoft CEO said plenty of the company’s code is still C++, which he rated “not that great.” Microsoft maintains a lot of C++ too, and Nadella said it’s in “pretty good” condition while more recent Python is “fantastic.” Overall, Microsoft finds AI is best at writing entirely new code rather than reworking older material, but the biz is finding ways to use AI often across its codebase. …
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