I've noticed the same thing with Grok. One time it predicted a X% chance that something would happen by July 31. On August 1, it was still predicting the thing

I've noticed the same thing with Grok. One time it predicted a X% chance that something would happen by July 31. On August 1, it was still predicting the thing would happen by July 31, just with lower (but non-zero) odds. Their grasp on time is tenuous at best.