Tech companies invested the most in AI

Google is the biggest investor in AI by billions.

Google - $3.9 billion

Amazon - $871 million

Apple - $786 million

Intel - $776 million

Microsoft - $690 million

Uber - $680 million

Twitter - $629 million

AOL - $191.7 million

Facebook - $60 million

Salesforce - $32.8 million

Biggest disclosed investments in AI startups.

Nest Labs - $3.2 billion

Kiva Systems - $775 million

Otto - $680 million

Deep Mind - $500 million

TellApart - $479 million

Movidius - $400 million

Nervana - $350 million

SwiftKey - $250 million