The company, whose services were once popular among students, said its “strategic” options could include a sale. Chegg blamed Google’s AI summaries for taking away traffic.

Chegg is suing Google parent Alphabet over claims the search engine’s artificial intelligence summary tool has hit its revenues, leading the US-listed educational technology group to weigh up a sale of the business.

If you use Google Search, you’ve no doubt noticed that results now often begin with an “AI Overview.” The pop-up is a major change to one of the world’s most popular tech products; Google surfaces a response to many questions without making you click into other websites.