OpenAI on Tuesday launched ChatGPT Atlas, an artificial intelligence-powered browser built around its popular chatbot that aims to loosen Google Chrome’s tight grip on the market.

Shares of Alphabet, which owns the Chrome browser, were down 2.6% in afternoon trading.

The product is the latest entrant in a fast-crowding field of AI browsers that includes Perplexity’s Comet and Opera’s Neon as companies weave in tools that can summarize pages, fill out forms, and draft code to attract users.

Atlas lets users open a ChatGPT sidebar in any window to summarize content, compare products, or analyze data from any site. In the agent mode in Atlas, ChatGPT interacts with sites for users, who can use it to do tasks from start to finish, like researching and shopping for a trip.

The browser is no

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