Global private investment in AI reached $344.7 billion in 2025, up 127.5% year-over-year, with generative AI companies alone capturing $170.9 billion of that total
Stanford HAI's AI Index 2026, citing Quid data, reports that global private investment in AI reached $344.7 billion in 2025. That was 127.5% more than the year before. Of the total, generative AI companies received $170.9 billion, which the report describes as nearly half of all private investment. The figures come from Quid's database of AI-related investments.
Verified 2026-09-17
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Private money pouring into AI start-ups shows investors' appetite, with generative AI taking a large share.
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