Nvidia (NASDAQ: NVDA) is the most valuable company in the world as of this writing, with a market cap of $3.4 trillion, and it has reached this position thanks to a tremendous rally of more than 1,500% in its stock price in the past five years.

Technology stocks are surging once again, especially artificial intelligence stocks. But don't think it's too late to buy in. The two AI stocks below have a very bright future. Despite their upfront premiums, rapid and sustained growth rates could deliver huge gains for patient shareholders.

With a market capitalization of less than $4 billion, SoundHound could have a huge runway if its products continue to resonate with clients. This isn't anything innovative or new; AI assistants like Siri or Alexa have been around for a long time,