Looking to 2025, he said, “the low-hanging fruit is gone, the hill is steeper.” In an industry that prides itself on innovation, companies are looking for different ways to push AI models forward.

"I think the progress is going to get harder. When I look at [2025], the low-hanging fruit is gone," said Pichai, adding: "The hill is steeper ... You're definitely going to need deeper ...

Google’s Sundar Picha says simply making AI models bigger is no longer yielding proportional gains in capability: “The low-hanging fruit is gone.” Photo / Getty Images Since the debut of ...