Artificial intelligence (AI) has become the darling of the investment community in 2023. Unsurprisingly, Nvidia (NASDAQ: NVDA) -- with its cutting-edge AI chips and a solid software ecosystem -- has emerged as a hot favorite of Wall Street. Shares of the company have surged by a massive 229% so far this year.

While Nvidia continues to be the undisputed leader in the AI infrastructure space, some investors have started considering the stock to be a tad bit costly. The company trades at a price-to-sales multiple of 26.7, even more than its 5-year average valuation of 22.4.

Against this backdrop, investors can consider picking stakes in other AI stocks with solid growth prospects that are priced reasonably compared to Nvidia. Here's why (NASDAQ: TSLA) and Super Micro Computer (NASDAQ: SMCI) fit the bill.

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Source Fool.com