Founded in 1993, The Motley Fool is a financial services company dedicated to making the world smarter, happier, and richer. The Motley Fool reaches millions of people every month through our premium investing solutions, free guidance and market analysis on Fool.com, top-rated podcasts, and non-profit The Motley Fool Foundation.

Both of those AI bellwether stocks are still reliable long-term investments, but investors shouldn't gloss over the less obvious AI plays that might soar higher over the next few years. Let's take a closer look at three of those companies: Oracle (NYSE: ORCL), Broadcom (NASDAQ: AVGO), and Arm Holdings (NASDAQ: ARM).

What's the secret behind an under-the-radar AI player's success? Ironically, this legendary stock could be a hidden gem in this market.

In the past couple of years, artificial intelligence (AI) has been one of the most important investment themes on Wall Street. While the initial AI-fueled frenzy mostly died down, institutional and retail investors are still in search of AI-powered investments, especially those with long-term and sustainable growth prospects.

When it comes to finding a top artificial intelligence (AI) stock to buy, investors may feel little motivation to look beyond Nvidia. Indeed, CEO Jensen Huang's decision to develop AI chips before Nvidia's competitors made it the dominant chip company in a lucrative and fast-growing niche.

Detailed price information for Soundhound Ai Inc Cl A (SOUN-Q) from The Globe and Mail including charting and trades.

AMD is pushing Intel aside as it challenges Nvidia in the data center market. Supermicro could bounce back if it overcomes its recent challenges. Microsoft is a more balanced play on the cloud, AI, and gaming markets.