MIT researchers tracking corporate AI adoption found that in 2025, 11% of S&P 500 firms had AI deeply integrated into core business processes and a further 10% were using it in the production of goods or services -- both figures have surged since 2022, when deep integration stood at just 5% of S&P 500 firms
Researchers at MIT, including Yang Yu, Martin Fleming, Lucy Hampton, Christophe Combemale, and Neil Thompson, studied AI adoption in S&P 500 firms from 2016 to 2025. They developed a measure for deep AI adoption based on SEC 10-K filings. In 2025, 11% of S&P 500 firms had AI deeply integrated into their business processes, and 10% used AI in producing goods and services, up from 5% deeply integrated in 2022.
Verified 2026-09-11
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Among the largest US companies, only a minority have AI built into their core work so far.
More on Adoption
- Stanford's 2026 AI Index, citing McKinsey's 2025 survey, breaks down AI-agent deployment by business function. Even in IT, the function with the most agent activity, the share of organisations reporting no AI-agent use at all in 2025 was still 69% of organizations report zero AI-agent use in IT, the business function with the heaviest agent activity
- Stanford's 2026 AI Index reports that organizations' use of generative AI specifically, not just AI overall, grew sharply in 2025: the share of organizations that regularly use generative AI in at least one business function reached 79%, up from 71% in 2024
- Stanford's 2026 AI Index compared generative AI's adoption curve after its mass-market debut to that of earlier transformative technologies, and found generative AI reached 53% population adoption within three years, faster than the PC or the internet
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