xAI and Telegram did not immediately respond to CNBC's request for comment.
Telegram passed 1 billion monthly users in 2025, and the company is set to raise at least $1.5 billion in a bond issue on Wednesday, according to a report from the Wall Street Journal. The messaging platform is popular in countries like Russia and Ukraine, where it is used by government officials and the military.
Durov is facing an investigation in France, where he is a citizen, for allegedly allowing criminal activity including drug trafficking, fraud and child pornography on Telegram. Following his arrest in August, Durov has been barred from leaving France without authorization.