New Delhi, Jan. 3 -- Over the past decade, investment in artificial intelligence has increased nearly thirteenfold, underscoring how rapidly AI has moved from a research concept to a core economic and technological force.

According to the 2025 AI Index Report by Stanford's Institute for Human-Centered Artificial Intelligence (HAI), this surge is being driven not just by hype, but by measurable gains in performance, falling costs, and real-world adoption across industries.

Globally private AI investment grew 26% with corporate AI investments reaching $252.3 billion in 2024, with private investment climbing 44.5% and mergers and acquisitions up 12.1% from the previous year, the report said.

In 2024 alone, private AI investment in the Uni...