As an increasing number of AI assistants flood the market, the founder of Ollie, an assistant that respected its users' privacy, says it will be shutting down in a week.

Eugenia Kuyda's newest startup Wabi is positioned to take advantage of an idea she had more than a decade ago. Wabi offers a personal AI assistant with a twist, free and downloadable to anyone today.

AI assistant startup Town nabbed a unicorn valuation on Monday, announcing a $108 million Series B round co-led by Forerunner Ventures and Menlo Ventures.