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Shares of Google parent Alphabet

sank 3% on Tuesday after OpenAI announced the launch of ChatGPT Atlas, an artificial intelligence-powered web browser.

OpenAI posted a five-second video on X showing three browser tabs that say “Livestream,” “Today” and “10 a.m. PT.” The company’s CEO Sam Altman highlighted the upcoming launch in a separate post, writing that it’s for a new product he’s “quite excited about!”

On YouTube, OpenAI published a link to a livestream titled “Introducing ChatGPT Atlas.” In the description, the company describes the product as its “new browser” and said it’s available globally on macOS with Windows, iOS and Android coming soon.