The rivalry in search is now among the industry’s biggest, as OpenAI sets up Microsoft to expand its 9% share at Google’s expense, said Daniel Ives, an analyst with Wedbush Securities.

The new Bing search query box can accept up to 1,000 characters. In a demonstration, Microsoft Vice President Yusuf Mehdi asked the chat-based engine about events in Scottsdale, Arizona, during ...

Microsoft’s operating system will include the new Bing in desktop computers’ search box, which helps half a billion monthly users navigate their files and the internet, the company said. The ...