Microsoft Factoid: 30 Percent of Our Code Is Vibey
November 24, 2025
Another short essay from a real and still-alive dinobaby. If you see an image, we used AI. The dinobaby is not an artist like Grandma Moses.
Is Microsoft cranking out one fifth to one third of its code using vibey methods? A write up from Ibrahim Diallo seeks to answer this question in his essay “Is 30% of Microsoft’s Code Really AI-Generated?” My instinctive response was, “Nope. Marketing.” Microsoft feels the heat. The Google is pushing the message that it will deliver the Agentic Operating System for the emergence of a new computing epoch. In response, Microsoft has been pumping juice into its market collateral. For example, Microsoft is building data center systems that span nations. Copilot will make your Notepad “experience” more memorable. Visio, a step child application, is really cheap. Add these steps together, and you get a profile of a very large company under pressure and showing signs of cracking. Why? Google is turning up the heat and Microsoft feels it.
Mr. Diallo writes:
A few months back, news outlets were buzzing with reports that Satya Nadella claimed 30% of the code in Microsoft’s repositories was AI-generated. This fueled the hype around tools like Copilot and Cursor. The implication seemed clear: if Microsoft’s developers were now “vibe coding,” everyone should embrace the method.
Then he makes a pragmatic observation:
The line between “AI-generated” and “human-written” code has become blurrier than the headlines suggest. And maybe that’s the point. When AI becomes just another tool in the development workflow, like syntax highlighting or auto-complete, measuring its contribution as a simple percentage might not be meaningful at all.
Several observations:
- Microsoft’s leadership is outputting difficult to believe statements
- Microsoft apparently has been recycling code because those contributions from Stack Overflow are not tabulated
- Marketing is now the engine making AI the future of Microsoft unfold.
I would assert that the answer to the Mr. Diallo’s question is, “Whatever unfounded assertion Microsoft offers is actual factual.” That’s okay with me, but some people may be hooked by Google’s Agentic Operating System pitch.
Stephen E Arnold, November 24, 2025
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