always knows where you are, even if that's true there are skills and talents that benefit from a sneak attack, so it is worth it in certain occasions to go on sneak even if you know you'll be found soon.
Unless you use actual invisibility skill Chameleon cloak While I disagree with the statement that the a.i. Originally posted by Bast:Just don't bother sneaking in battle, the ai knows where you are 100% of the time.