Many of the hottest artificial intelligence (AI) stocks are trading at high valuations, which can dissuade investors. Whether it's Nvidia, , or Microsoft, these types of stocks are trading either at or near their all-time highs.

But there is one AI stock that hasn't been getting much love from investors of late, and it's one that could have some serious upside: Baidu (NASDAQ: BIDU).

By now, you've likely heard of ChatGPT, Gemini, and Claude. Those are some of the most popular chatbots that are backed by big tech companies in a battle for market share in the future. But there's one lesser-known chatbot that you shouldn't overlook, and that's Ernie.

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Source Fool.com