New Delhi, May 5 -- Global artificial intelligence (AI) spending is projected to rise significantly in the coming years, with UBS estimating a 60 per cent year-on-year increase in 2025, to USD 360 billion.

The momentum is expected to continue in 2026, with a further 33 per cent rise to USD 480 billion.

However, the share of spending attributed to the Big 4 tech giants -- Microsoft, Amazon, Alphabet, and Meta -- is anticipated to decline, falling from 58 per cent in 2025 to 52 per cent in 2026.

The report said "we expect global AI spend to increase by 60 per cent y/y in 2025 to reach USD 360bn and 33 per cent in 2026 to reach USD 480bn...We expect the combined share of these companies as a percentage of AI spend to rise from less than 2...