Investors are currently showing a lot of interest in Nvidia (NASDAQ: NVDA), whose shares have seen a significant increase in value over the past five years and especially in the last 12 months. The company's success is attributed to its leadership in artificial intelligence (AI) technology, with many believing that Nvidia's products will play a crucial role in the future of AI. However, Nvidia is not the only AI company attracting attention. Billionaire investors are investing heavily in other AI businesses, particularly SoundHound AI (NASDAQ: SOUN). Nvidia's CEO, Jensen Huang, has invested in SoundHound, signaling its potential.

SoundHound specializes in voice AI technology and offers a competitive edge by not restricting its customers to closed ecosystems like those of Alphabet and Amazon. Another AI stock that has caught the eye of billionaire investors is Alphabet, the parent company of Google. Despite concerns about the long-term impact of AI on Google's search business, investors see the potential for Alphabet to invest in AI and develop new tools that could become a major source of profit in the future. Investors should consider these opportunities, as AI continues to grow and transform various industries. However, it's important to conduct thorough research and consider expert advice before making any investment decisions.