If you were expecting the iOS 6.1 jailbreak sometime today, then stop expecting it. Stop it right now. Now that you’ve stopped, the iOS 6.1 jailbreak, courtesy of evad3rs, will be coming tomorrow:
When the jailbreak becomes available, it will be compatible with all iPhone, iPod Touch, iPad, and iPad mini models running iOS 6.0 through 6.1. Unfortunately, for the time being, we’ll have to be patient and wait.