This looks like it is in the 'nobody realized there is a competition' list of records broken. For a 3x3 it is 103 milliseconds, or at least was last year[1].<p>[1] <a href="https://engineering.purdue.edu/ECE/News/2025/purdue-ece-students-shatter-guinness-world-record-for-fastest-puzzle-cube-solving-robot" rel="nofollow">https://engineering.purdue.edu/ECE/News/2025/purdue-ece-stud...</a>