Nvidia has been the top AI stock pick for several years now, and it remains a strong choice for the future. But is it the best AI stock to buy in July?

Nvidia has become one of the world's largest companies thanks to AI, but it isn't the only opportunity. C3.ai and Upstart are AI software powerhouses with rapidly growing businesses and addressable markets.

Insiders at artificial intelligence chipmaker Nvidia have dumped more than $1 billion in stock over the last year, according to a Financial Times report. About half of those sales occurred during the last month as the market notched new highs and shook off geopolitical tensions.