Nvidia's stock has enjoyed incredible gains over the last five years. It's only natural for competitors to pop up.

Nvidia is among the best AI stocks, while software companies lag. Software makers hope to monetize AI agents after failing with copilots.

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.

Nvidia has been the center of the AI story for the past two years. But are these other AI winners better values today?