The government argues Chrome gives Google an unfair edge by directing users to Google Search by default. With around 66 percent of the global web browser market share, Chrome is tightly integrated with Google’s search engine, reinforcing the company’s dominance. Already, AI rival OpenAI has expressed interest in buying Chrome.

OpenAI’s goals of building a “super assistant” app and reaching general artificial intelligence won’t succeed without search technology but Google has declined to work with the startup, the head of its ChatGPT product testified Tuesday in the Google antitrust trial.