A significant disconnect has emerged between corporate AI investment and operational accountability, according to a 2026 survey of 1,000 U.S. business leaders by Grant Thornton. The findings reveal an "AI proof gap," with 78% of senior executives admitting they lack the confidence to pass an independent AI audit. While three-quarters

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of boards have approved major capital expenditures for the technology, only 52% have established clear governance expectations. This lag in oversight is directly impacting performance, as nearly half of the respondents reported that AI initiatives are underperforming due to a lack of effective internal controls.

The data suggests that the divide between successful implementation and stalled pilots is rooted in workforce and system readiness. Only 12% of leaders believe their staff is fully prepared for AI adoption, while 55% of technology officers report that their core applications are not yet AI-ready. However, the survey highlights a clear financial incentive for bridging this gap: organizations with fully integrated AI and mature governance are nearly four times more likely to report revenue growth than those still in the pilot phase. Tom Puthiyamadam, Managing Partner at Grant Thornton, noted that while AI deployment is currently outpacing its supporting infrastructure, the companies that "win tomorrow" will be those that prioritize discipline and real-time adaptation over mere scaling.

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