i will start off by asking are you using benzos for therapeutic purposes to assuage you anxiety, or are you taking your benzos to get high? it sounds to me that you are abusing your benzos to reach a high, and i guess i will never understand why people abuse benzos on a daily basis to get high. dont get my wrong i love taking 20mgs of diazepam with a good shot of heroin, so i abuse it. but alone they dont really give me much. it is also bad because god forbid you actually need some benzos at some point in life, your tolerance will be so high that they wont work on you. not only that, but benzos actually make your anxiety worse in the long wrong, even when you stop completely. benzos are notorious for horrible withdrawals and super fucking long PAWS. just food for thought...and now to answer your question....
well everyone develops and loses a tolerance at different rates. for me and opiates, even using once a week, i eventually got back to the tolerance that i used to have when i was using opiates every day!!! taking a week break works for the first time i get high after a week, but by the third consecutive day of getting high i am right back to where my tolerance was and probably even higher than the tolerance i had before i had the week break.
if you cant wait for more than a couple of weeks, i suggest using once or twice a week like i do. after a week i am able to enjoy a high without having to take a surprisingly large dose. however, i have gotten to a point in my life where i would rather have more sober days than high days. believe it or not, i usually get more fulfillment and joy from the days i am sober compared to the days where i reach for artificial euphoria. dont get me wrong the high is nice, but it will never be that amazing high like i used to get when i was all strung out and shit. even if you wait a long ass time, i dont think it will ever reset back to zero like before you started using. i say a 3-4 weeks of consecutive sobriety to get you close to baseline, but who knows for sure how long you will have to wait until your tolerance basically goes back to like before you started. i wish i could tell you that your tolerance will gone in 234 hours, 47 minutes, and 36 seconds, but i cant lol.