55+ US AI Startups · Updated March 2026

America's AI
Startup Hub

Discover and track the most innovative AI startups in the United States — curated for investors, enterprise buyers, and founders.

55+
AI Startups
$159B+
US AI Funding
326
Active Unicorns
15
Cities Covered

All AI Startups

By The Numbers

The US AI Ecosystem in 2025

The United States leads global AI investment, capturing 79% of all worldwide AI funding and home to more AI unicorns than any other nation.

$159B+
US AI Funding (2025)
79% of global AI VC
326
Active Unicorns
Most of any nation
$188B
Total Startup Funding
Annual (2024)
2,590
YC Alumni Startups
US-based companies

Top US AI Startup Hubs

San Francisco
#1 Global
+19.9%
New York
#2 Global
+25.5%
Los Angeles
#4 Global
+14.1%
Boston
#6 Global
+17.1%
Austin
#16 Global
+24.1%

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