# Tim Cook's legacy hinges on Apple's AI bet > Source: > Published: 2026-09-01 09:20:04+00:00 For better or worse, Tim Cook's legacy is likely to be determined by something we don't really know the answer to yet: the company's bet to build its AI strategy partly around other companies' models. Why it matters: In the short term, the move could save substantial sums compared with building and operating a frontier-model business of its own, but it's left Apple dependent on Google for some of its most important AI capabilities. Driving the news: As John Ternus officially takes over today as Apple CEO, much of the analysis of Cook's tenure has focused on his record. On the positive side, he has more than quadrupled annual revenue and grown Apple's market capitalization by an even higher amount, to more than $4 trillion. And he built Apple into a services powerhouse, convincing hundreds of millions of iPhone and Mac owners to spend billions more on Apple TV+, Apple News, iCloud and other subscription products. Among the negatives, Apple's car project was narrowed and then killed on Cook's watch and the Vision Pro has failed to find a mass market, surviving as a pricey toy for VR enthusiasts. Between the lines: Looking back 10 years from now, Cook is likely to be judged not on any of those things, but on something just starting to play out: Apple's AI strategy. Zoom in: The first part of that effort was clearly bumpy. The initial vision for Apple Intelligence — outlined at WWDC in June 2024 — was ambitious and privacy-focused. The company claimed that its AI could answer highly personalized questions with underlying personal data remaining on the device or in its privacy-protected cloud system. However, Apple encountered many delays, with the centerpiece of the strategy, a revamped Siri, just now arriving with iOS 27. And even to get that far, it was forced to rely on models from Google. Zoom out: The future, though, is likely to gloss over those delays, with the outcome more likely hinging on where the value is in AI. If models wind up being a commodity, Cook could look like a genius for avoiding the kinds of sums that Google, Meta, Microsoft, OpenAI and Anthropic have invested in model development and infrastructure. What we're watching: If OpenAI, Anthropic or another AI company parlays its work into a successful new hardware platform, Cook could be criticized for not using Apple's financial resources to secure a stronger position in the next era of computing.