India, March 27 -- Elon Musk-led platform X's AI bot, Grok, was down for thousands of users on Thursday. Several users were suddenly logged out of their accounts. On trying to log in and use the platform, we encountered a similar issue. We tried to log in and saw an 'Authentication failure' message.

"This email domain has been rejected. Please use a different email address. If you think this is an error, please contact support@x.ai," the message read.

Downdetector, a platform that tracks online outages, showed at least 2000 reports about Grok. There was a spike in reports about X too. However, the micro-blogging website was working fine for us.

The company is yet to issue a statement.

The outage appears to be tied to authentication an...